25157925

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 51663360

約数和(自身を除く): 26505435

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 47, 61, 65, 75, 117, 135, 141, 183, 195, 225, 235, 305, 325, 351, 423, 549, 585, 611, 675, 705, 793, 915, 975, 1175, 1269, 1525, 1647, 1755, 1833, 2115, 2379, 2745, 2867, 2925, 3055, 3525, 3965, 4575, 5499, 6345, 7137, 8235, 8601, 8775, 9165, 10575, 11895, 13725, 14335, 15275, 16497, 19825, 21411, 25803, 27495, 31725, 35685, 37271, 41175, 43005, 45825, 59475, 71675, 77409, 82485, 107055, 111813, 129015, 137475, 178425, 186355, 215025, 335439, 387045, 412425, 535275, 559065, 645075, 931775, 1006317, 1677195, 1935225, 2795325, 5031585, 8385975, 25157925]

約数ペア:

[(1, 25157925), (3, 8385975), (5, 5031585), (9, 2795325), (13, 1935225), (15, 1677195), (25, 1006317), (27, 931775), (39, 645075), (45, 559065), (47, 535275), (61, 412425), (65, 387045), (75, 335439), (117, 215025), (135, 186355), (141, 178425), (183, 137475), (195, 129015), (225, 111813), (235, 107055), (305, 82485), (325, 77409), (351, 71675), (423, 59475), (549, 45825), (585, 43005), (611, 41175), (675, 37271), (705, 35685), (793, 31725), (915, 27495), (975, 25803), (1175, 21411), (1269, 19825), (1525, 16497), (1647, 15275), (1755, 14335), (1833, 13725), (2115, 11895), (2379, 10575), (2745, 9165), (2867, 8775), (2925, 8601), (3055, 8235), (3525, 7137), (3965, 6345), (4575, 5499)]