16305975

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 38167200

約数和(自身を除く): 21861225

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 29, 35, 45, 49, 51, 63, 75, 85, 87, 105, 119, 135, 145, 147, 153, 175, 189, 203, 225, 245, 255, 261, 315, 357, 425, 435, 441, 459, 493, 525, 595, 609, 675, 725, 735, 765, 783, 833, 945, 1015, 1071, 1225, 1275, 1305, 1323, 1421, 1479, 1575, 1785, 1827, 2175, 2205, 2295, 2465, 2499, 2975, 3045, 3213, 3451, 3675, 3825, 3915, 4165, 4263, 4437, 4725, 5075, 5355, 5481, 6525, 6615, 7105, 7395, 7497, 8925, 9135, 10353, 11025, 11475, 12325, 12495, 12789, 13311, 15225, 16065, 17255, 19575, 20825, 21315, 22185, 22491, 24157, 26775, 27405, 31059, 33075, 35525, 36975, 37485, 38367, 45675, 51765, 62475, 63945, 66555, 72471, 80325, 86275, 93177, 106575, 110925, 112455, 120785, 137025, 155295, 187425, 191835, 217413, 258825, 319725, 332775, 362355, 465885, 562275, 603925, 652239, 776475, 959175, 1087065, 1811775, 2329425, 3261195, 5435325, 16305975]

約数ペア:

[(1, 16305975), (3, 5435325), (5, 3261195), (7, 2329425), (9, 1811775), (15, 1087065), (17, 959175), (21, 776475), (25, 652239), (27, 603925), (29, 562275), (35, 465885), (45, 362355), (49, 332775), (51, 319725), (63, 258825), (75, 217413), (85, 191835), (87, 187425), (105, 155295), (119, 137025), (135, 120785), (145, 112455), (147, 110925), (153, 106575), (175, 93177), (189, 86275), (203, 80325), (225, 72471), (245, 66555), (255, 63945), (261, 62475), (315, 51765), (357, 45675), (425, 38367), (435, 37485), (441, 36975), (459, 35525), (493, 33075), (525, 31059), (595, 27405), (609, 26775), (675, 24157), (725, 22491), (735, 22185), (765, 21315), (783, 20825), (833, 19575), (945, 17255), (1015, 16065), (1071, 15225), (1225, 13311), (1275, 12789), (1305, 12495), (1323, 12325), (1421, 11475), (1479, 11025), (1575, 10353), (1785, 9135), (1827, 8925), (2175, 7497), (2205, 7395), (2295, 7105), (2465, 6615), (2499, 6525), (2975, 5481), (3045, 5355), (3213, 5075), (3451, 4725), (3675, 4437), (3825, 4263), (3915, 4165)]