61306425

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^2\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 54

約数和(自身を含む): 113071322

約数和(自身を除く): 51764897

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 97, 159, 225, 265, 291, 477, 485, 795, 873, 1325, 1455, 2385, 2425, 2809, 3975, 4365, 5141, 7275, 8427, 11925, 14045, 15423, 21825, 25281, 25705, 42135, 46269, 70225, 77115, 126405, 128525, 210675, 231345, 272473, 385575, 632025, 817419, 1156725, 1362365, 2452257, 4087095, 6811825, 12261285, 20435475, 61306425]

約数ペア:

[(1, 61306425), (3, 20435475), (5, 12261285), (9, 6811825), (15, 4087095), (25, 2452257), (45, 1362365), (53, 1156725), (75, 817419), (97, 632025), (159, 385575), (225, 272473), (265, 231345), (291, 210675), (477, 128525), (485, 126405), (795, 77115), (873, 70225), (1325, 46269), (1455, 42135), (2385, 25705), (2425, 25281), (2809, 21825), (3975, 15423), (4365, 14045), (5141, 11925), (7275, 8427)]