75473775

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 156281664

約数和(自身を除く): 80807889

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 47, 61, 65, 75, 81, 117, 135, 141, 183, 195, 225, 235, 305, 325, 351, 405, 423, 549, 585, 611, 675, 705, 793, 915, 975, 1053, 1175, 1269, 1525, 1647, 1755, 1833, 2025, 2115, 2379, 2745, 2867, 2925, 3055, 3525, 3807, 3965, 4575, 4941, 5265, 5499, 6345, 7137, 8235, 8601, 8775, 9165, 10575, 11895, 13725, 14335, 15275, 16497, 19035, 19825, 21411, 24705, 25803, 26325, 27495, 31725, 35685, 37271, 41175, 43005, 45825, 49491, 59475, 64233, 71675, 77409, 82485, 95175, 107055, 111813, 123525, 129015, 137475, 178425, 186355, 215025, 232227, 247455, 321165, 335439, 387045, 412425, 535275, 559065, 645075, 931775, 1006317, 1161135, 1237275, 1605825, 1677195, 1935225, 2795325, 3018951, 5031585, 5805675, 8385975, 15094755, 25157925, 75473775]

約数ペア:

[(1, 75473775), (3, 25157925), (5, 15094755), (9, 8385975), (13, 5805675), (15, 5031585), (25, 3018951), (27, 2795325), (39, 1935225), (45, 1677195), (47, 1605825), (61, 1237275), (65, 1161135), (75, 1006317), (81, 931775), (117, 645075), (135, 559065), (141, 535275), (183, 412425), (195, 387045), (225, 335439), (235, 321165), (305, 247455), (325, 232227), (351, 215025), (405, 186355), (423, 178425), (549, 137475), (585, 129015), (611, 123525), (675, 111813), (705, 107055), (793, 95175), (915, 82485), (975, 77409), (1053, 71675), (1175, 64233), (1269, 59475), (1525, 49491), (1647, 45825), (1755, 43005), (1833, 41175), (2025, 37271), (2115, 35685), (2379, 31725), (2745, 27495), (2867, 26325), (2925, 25803), (3055, 24705), (3525, 21411), (3807, 19825), (3965, 19035), (4575, 16497), (4941, 15275), (5265, 14335), (5499, 13725), (6345, 11895), (7137, 10575), (8235, 9165), (8601, 8775)]