203421715

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 285143040

約数和(自身を除く): 81721325

約数列:

[1, 5, 7, 35, 67, 223, 335, 389, 469, 1115, 1561, 1945, 2345, 2723, 7805, 13615, 14941, 26063, 74705, 86747, 104587, 130315, 182441, 433735, 522935, 607229, 912205, 3036145, 5812049, 29060245, 40684343, 203421715]

約数ペア:

[(1, 203421715), (5, 40684343), (7, 29060245), (35, 5812049), (67, 3036145), (223, 912205), (335, 607229), (389, 522935), (469, 433735), (1115, 182441), (1561, 130315), (1945, 104587), (2345, 86747), (2723, 74705), (7805, 26063), (13615, 14941)]