51631125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 113218560

約数和(自身を除く): 61587435

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 65, 75, 85, 89, 91, 105, 119, 125, 175, 195, 221, 255, 267, 273, 325, 357, 375, 425, 445, 455, 525, 595, 623, 663, 875, 975, 1105, 1157, 1275, 1335, 1365, 1513, 1547, 1625, 1785, 1869, 2125, 2225, 2275, 2625, 2975, 3115, 3315, 3471, 4539, 4641, 4875, 5525, 5785, 6375, 6675, 6825, 7565, 7735, 8099, 8925, 9345, 10591, 11125, 11375, 14875, 15575, 16575, 17355, 19669, 22695, 23205, 24297, 27625, 28925, 31773, 33375, 34125, 37825, 38675, 40495, 44625, 46725, 52955, 59007, 77875, 82875, 86775, 98345, 113475, 116025, 121485, 137683, 144625, 158865, 189125, 193375, 202475, 233625, 264775, 295035, 413049, 433875, 491725, 567375, 580125, 607425, 688415, 794325, 1012375, 1323875, 1475175, 2065245, 2458625, 3037125, 3442075, 3971625, 7375875, 10326225, 17210375, 51631125]

約数ペア:

[(1, 51631125), (3, 17210375), (5, 10326225), (7, 7375875), (13, 3971625), (15, 3442075), (17, 3037125), (21, 2458625), (25, 2065245), (35, 1475175), (39, 1323875), (51, 1012375), (65, 794325), (75, 688415), (85, 607425), (89, 580125), (91, 567375), (105, 491725), (119, 433875), (125, 413049), (175, 295035), (195, 264775), (221, 233625), (255, 202475), (267, 193375), (273, 189125), (325, 158865), (357, 144625), (375, 137683), (425, 121485), (445, 116025), (455, 113475), (525, 98345), (595, 86775), (623, 82875), (663, 77875), (875, 59007), (975, 52955), (1105, 46725), (1157, 44625), (1275, 40495), (1335, 38675), (1365, 37825), (1513, 34125), (1547, 33375), (1625, 31773), (1785, 28925), (1869, 27625), (2125, 24297), (2225, 23205), (2275, 22695), (2625, 19669), (2975, 17355), (3115, 16575), (3315, 15575), (3471, 14875), (4539, 11375), (4641, 11125), (4875, 10591), (5525, 9345), (5785, 8925), (6375, 8099), (6675, 7735), (6825, 7565)]