51790275

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 97667856

約数和(自身を除く): 45877581

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 53, 75, 101, 129, 159, 215, 225, 265, 303, 387, 477, 505, 645, 795, 909, 1075, 1325, 1515, 1935, 2279, 2385, 2525, 3225, 3975, 4343, 4545, 5353, 6837, 7575, 9675, 11395, 11925, 13029, 16059, 20511, 21715, 22725, 26765, 34185, 39087, 48177, 56975, 65145, 80295, 102555, 108575, 133825, 170925, 195435, 230179, 240885, 325725, 401475, 512775, 690537, 977175, 1150895, 1204425, 2071611, 3452685, 5754475, 10358055, 17263425, 51790275]

約数ペア:

[(1, 51790275), (3, 17263425), (5, 10358055), (9, 5754475), (15, 3452685), (25, 2071611), (43, 1204425), (45, 1150895), (53, 977175), (75, 690537), (101, 512775), (129, 401475), (159, 325725), (215, 240885), (225, 230179), (265, 195435), (303, 170925), (387, 133825), (477, 108575), (505, 102555), (645, 80295), (795, 65145), (909, 56975), (1075, 48177), (1325, 39087), (1515, 34185), (1935, 26765), (2279, 22725), (2385, 21715), (2525, 20511), (3225, 16059), (3975, 13029), (4343, 11925), (4545, 11395), (5353, 9675), (6837, 7575)]