72165275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31721}}^1$

素因数の和:31751

約数の個数: 24

約数和(自身を含む): 110138784

約数和(自身を除く): 37973509

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 31721, 158605, 222047, 412373, 793025, 1110235, 2061865, 2886611, 5551175, 10309325, 14433055, 72165275]

約数ペア:

[(1, 72165275), (5, 14433055), (7, 10309325), (13, 5551175), (25, 2886611), (35, 2061865), (65, 1110235), (91, 793025), (175, 412373), (325, 222047), (455, 158605), (2275, 31721)]