157213875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 342171648

約数和(自身を除く): 184957773

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 65, 75, 85, 91, 105, 119, 125, 175, 195, 221, 255, 271, 273, 325, 357, 375, 425, 455, 525, 595, 663, 813, 875, 975, 1105, 1275, 1355, 1365, 1547, 1625, 1785, 1897, 2125, 2275, 2625, 2975, 3315, 3523, 4065, 4607, 4641, 4875, 5525, 5691, 6375, 6775, 6825, 7735, 8925, 9485, 10569, 11375, 13821, 14875, 16575, 17615, 20325, 23035, 23205, 24661, 27625, 28455, 32249, 33875, 34125, 38675, 44625, 47425, 52845, 59891, 69105, 73983, 82875, 88075, 96747, 101625, 115175, 116025, 123305, 142275, 161245, 179673, 193375, 237125, 264225, 299455, 345525, 369915, 419237, 440375, 483735, 575875, 580125, 616525, 711375, 806225, 898365, 1257711, 1321125, 1497275, 1727625, 1849575, 2096185, 2418675, 3082625, 4031125, 4491825, 6288555, 7486375, 9247875, 10480925, 12093375, 22459125, 31442775, 52404625, 157213875]

約数ペア:

[(1, 157213875), (3, 52404625), (5, 31442775), (7, 22459125), (13, 12093375), (15, 10480925), (17, 9247875), (21, 7486375), (25, 6288555), (35, 4491825), (39, 4031125), (51, 3082625), (65, 2418675), (75, 2096185), (85, 1849575), (91, 1727625), (105, 1497275), (119, 1321125), (125, 1257711), (175, 898365), (195, 806225), (221, 711375), (255, 616525), (271, 580125), (273, 575875), (325, 483735), (357, 440375), (375, 419237), (425, 369915), (455, 345525), (525, 299455), (595, 264225), (663, 237125), (813, 193375), (875, 179673), (975, 161245), (1105, 142275), (1275, 123305), (1355, 116025), (1365, 115175), (1547, 101625), (1625, 96747), (1785, 88075), (1897, 82875), (2125, 73983), (2275, 69105), (2625, 59891), (2975, 52845), (3315, 47425), (3523, 44625), (4065, 38675), (4607, 34125), (4641, 33875), (4875, 32249), (5525, 28455), (5691, 27625), (6375, 24661), (6775, 23205), (6825, 23035), (7735, 20325), (8925, 17615), (9485, 16575), (10569, 14875), (11375, 13821)]