38355975

素因数分解:

$3^2\times 5^2\times 7^4\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 90

約数和(自身を含む): 81273816

約数和(自身を除く): 42917841

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 71, 75, 105, 147, 175, 213, 225, 245, 315, 343, 355, 441, 497, 525, 639, 735, 1029, 1065, 1225, 1491, 1575, 1715, 1775, 2205, 2401, 2485, 3087, 3195, 3479, 3675, 4473, 5145, 5325, 7203, 7455, 8575, 10437, 11025, 12005, 12425, 15435, 15975, 17395, 21609, 22365, 24353, 25725, 31311, 36015, 37275, 52185, 60025, 73059, 77175, 86975, 108045, 111825, 121765, 156555, 170471, 180075, 219177, 260925, 365295, 511413, 540225, 608825, 782775, 852355, 1095885, 1534239, 1826475, 2557065, 4261775, 5479425, 7671195, 12785325, 38355975]

約数ペア:

[(1, 38355975), (3, 12785325), (5, 7671195), (7, 5479425), (9, 4261775), (15, 2557065), (21, 1826475), (25, 1534239), (35, 1095885), (45, 852355), (49, 782775), (63, 608825), (71, 540225), (75, 511413), (105, 365295), (147, 260925), (175, 219177), (213, 180075), (225, 170471), (245, 156555), (315, 121765), (343, 111825), (355, 108045), (441, 86975), (497, 77175), (525, 73059), (639, 60025), (735, 52185), (1029, 37275), (1065, 36015), (1225, 31311), (1491, 25725), (1575, 24353), (1715, 22365), (1775, 21609), (2205, 17395), (2401, 15975), (2485, 15435), (3087, 12425), (3195, 12005), (3479, 11025), (3675, 10437), (4473, 8575), (5145, 7455), (5325, 7203)]