22513725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 44684640

約数和(自身を除く): 22170915

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 129, 179, 195, 215, 225, 325, 387, 537, 559, 585, 645, 895, 975, 1075, 1611, 1677, 1935, 2327, 2685, 2795, 2925, 3225, 4475, 5031, 6981, 7697, 8055, 8385, 9675, 11635, 13425, 13975, 20943, 23091, 25155, 34905, 38485, 40275, 41925, 58175, 69273, 100061, 104715, 115455, 125775, 174525, 192425, 300183, 346365, 500305, 523575, 577275, 900549, 1500915, 1731825, 2501525, 4502745, 7504575, 22513725]

約数ペア:

[(1, 22513725), (3, 7504575), (5, 4502745), (9, 2501525), (13, 1731825), (15, 1500915), (25, 900549), (39, 577275), (43, 523575), (45, 500305), (65, 346365), (75, 300183), (117, 192425), (129, 174525), (179, 125775), (195, 115455), (215, 104715), (225, 100061), (325, 69273), (387, 58175), (537, 41925), (559, 40275), (585, 38485), (645, 34905), (895, 25155), (975, 23091), (1075, 20943), (1611, 13975), (1677, 13425), (1935, 11635), (2327, 9675), (2685, 8385), (2795, 8055), (2925, 7697), (3225, 6981), (4475, 5031)]