39921525

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 91601280

約数和(自身を除く): 51679755

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 49, 51, 63, 71, 75, 85, 105, 119, 135, 147, 153, 175, 189, 213, 225, 245, 255, 315, 355, 357, 425, 441, 459, 497, 525, 595, 639, 675, 735, 765, 833, 945, 1065, 1071, 1207, 1225, 1275, 1323, 1491, 1575, 1775, 1785, 1917, 2205, 2295, 2485, 2499, 2975, 3195, 3213, 3479, 3621, 3675, 3825, 4165, 4473, 4725, 5325, 5355, 6035, 6615, 7455, 7497, 8449, 8925, 9585, 10437, 10863, 11025, 11475, 12425, 12495, 13419, 15975, 16065, 17395, 18105, 20825, 22365, 22491, 25347, 26775, 30175, 31311, 32589, 33075, 37275, 37485, 42245, 47925, 52185, 54315, 59143, 62475, 67095, 76041, 80325, 86975, 90525, 93933, 111825, 112455, 126735, 156555, 162945, 177429, 187425, 211225, 228123, 260925, 271575, 295715, 335475, 380205, 469665, 532287, 562275, 633675, 782775, 814725, 887145, 1140615, 1478575, 1596861, 1901025, 2348325, 2661435, 4435725, 5703075, 7984305, 13307175, 39921525]

約数ペア:

[(1, 39921525), (3, 13307175), (5, 7984305), (7, 5703075), (9, 4435725), (15, 2661435), (17, 2348325), (21, 1901025), (25, 1596861), (27, 1478575), (35, 1140615), (45, 887145), (49, 814725), (51, 782775), (63, 633675), (71, 562275), (75, 532287), (85, 469665), (105, 380205), (119, 335475), (135, 295715), (147, 271575), (153, 260925), (175, 228123), (189, 211225), (213, 187425), (225, 177429), (245, 162945), (255, 156555), (315, 126735), (355, 112455), (357, 111825), (425, 93933), (441, 90525), (459, 86975), (497, 80325), (525, 76041), (595, 67095), (639, 62475), (675, 59143), (735, 54315), (765, 52185), (833, 47925), (945, 42245), (1065, 37485), (1071, 37275), (1207, 33075), (1225, 32589), (1275, 31311), (1323, 30175), (1491, 26775), (1575, 25347), (1775, 22491), (1785, 22365), (1917, 20825), (2205, 18105), (2295, 17395), (2485, 16065), (2499, 15975), (2975, 13419), (3195, 12495), (3213, 12425), (3479, 11475), (3621, 11025), (3675, 10863), (3825, 10437), (4165, 9585), (4473, 8925), (4725, 8449), (5325, 7497), (5355, 7455), (6035, 6615)]