128581425

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 279434496

約数和(自身を除く): 150853071

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 47, 63, 75, 81, 105, 135, 141, 175, 189, 193, 225, 235, 315, 329, 405, 423, 525, 567, 579, 675, 705, 945, 965, 987, 1175, 1269, 1351, 1575, 1645, 1737, 2025, 2115, 2835, 2895, 2961, 3525, 3807, 4053, 4725, 4825, 4935, 5211, 6345, 6755, 8225, 8685, 8883, 9071, 10575, 12159, 14175, 14475, 14805, 15633, 19035, 20265, 24675, 26055, 26649, 27213, 31725, 33775, 36477, 43425, 44415, 45355, 60795, 63497, 74025, 78165, 81639, 95175, 101325, 109431, 130275, 133245, 136065, 182385, 190491, 222075, 226775, 244917, 303975, 317485, 390825, 408195, 547155, 571473, 666225, 680325, 734751, 911925, 952455, 1224585, 1587425, 1714419, 2040975, 2735775, 2857365, 3673755, 4762275, 5143257, 6122925, 8572095, 14286825, 18368775, 25716285, 42860475, 128581425]

約数ペア:

[(1, 128581425), (3, 42860475), (5, 25716285), (7, 18368775), (9, 14286825), (15, 8572095), (21, 6122925), (25, 5143257), (27, 4762275), (35, 3673755), (45, 2857365), (47, 2735775), (63, 2040975), (75, 1714419), (81, 1587425), (105, 1224585), (135, 952455), (141, 911925), (175, 734751), (189, 680325), (193, 666225), (225, 571473), (235, 547155), (315, 408195), (329, 390825), (405, 317485), (423, 303975), (525, 244917), (567, 226775), (579, 222075), (675, 190491), (705, 182385), (945, 136065), (965, 133245), (987, 130275), (1175, 109431), (1269, 101325), (1351, 95175), (1575, 81639), (1645, 78165), (1737, 74025), (2025, 63497), (2115, 60795), (2835, 45355), (2895, 44415), (2961, 43425), (3525, 36477), (3807, 33775), (4053, 31725), (4725, 27213), (4825, 26649), (4935, 26055), (5211, 24675), (6345, 20265), (6755, 19035), (8225, 15633), (8685, 14805), (8883, 14475), (9071, 14175), (10575, 12159)]