77906025

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 146240640

約数和(自身を除く): 68334615

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 53, 75, 139, 141, 159, 225, 235, 265, 417, 423, 477, 695, 705, 795, 1175, 1251, 1325, 2085, 2115, 2385, 2491, 3475, 3525, 3975, 6255, 6533, 7367, 7473, 10425, 10575, 11925, 12455, 19599, 22101, 22419, 31275, 32665, 36835, 37365, 58797, 62275, 66303, 97995, 110505, 112095, 163325, 184175, 186825, 293985, 331515, 346249, 489975, 552525, 560475, 1038747, 1469925, 1657575, 1731245, 3116241, 5193735, 8656225, 15581205, 25968675, 77906025]

約数ペア:

[(1, 77906025), (3, 25968675), (5, 15581205), (9, 8656225), (15, 5193735), (25, 3116241), (45, 1731245), (47, 1657575), (53, 1469925), (75, 1038747), (139, 560475), (141, 552525), (159, 489975), (225, 346249), (235, 331515), (265, 293985), (417, 186825), (423, 184175), (477, 163325), (695, 112095), (705, 110505), (795, 97995), (1175, 66303), (1251, 62275), (1325, 58797), (2085, 37365), (2115, 36835), (2385, 32665), (2491, 31275), (3475, 22419), (3525, 22101), (3975, 19599), (6255, 12455), (6533, 11925), (7367, 10575), (7473, 10425)]