27861925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 43802752

約数和(自身を除く): 15940827

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 175, 185, 259, 325, 331, 455, 481, 925, 1295, 1655, 2275, 2317, 2405, 3367, 4303, 6475, 8275, 11585, 12025, 12247, 16835, 21515, 30121, 57925, 61235, 84175, 85729, 107575, 150605, 159211, 306175, 428645, 753025, 796055, 1114477, 2143225, 3980275, 5572385, 27861925]

約数ペア:

[(1, 27861925), (5, 5572385), (7, 3980275), (13, 2143225), (25, 1114477), (35, 796055), (37, 753025), (65, 428645), (91, 306175), (175, 159211), (185, 150605), (259, 107575), (325, 85729), (331, 84175), (455, 61235), (481, 57925), (925, 30121), (1295, 21515), (1655, 16835), (2275, 12247), (2317, 12025), (2405, 11585), (3367, 8275), (4303, 6475)]