25728075

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3943}}^1$

素因数の和:3988

約数の個数: 36

約数和(自身を含む): 47682960

約数和(自身を除く): 21954885

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 3943, 6525, 11829, 19715, 35487, 59145, 98575, 114347, 177435, 295725, 343041, 571735, 887175, 1029123, 1715205, 2858675, 5145615, 8576025, 25728075]

約数ペア:

[(1, 25728075), (3, 8576025), (5, 5145615), (9, 2858675), (15, 1715205), (25, 1029123), (29, 887175), (45, 571735), (75, 343041), (87, 295725), (145, 177435), (225, 114347), (261, 98575), (435, 59145), (725, 35487), (1305, 19715), (2175, 11829), (3943, 6525)]