51720273

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 87609600

約数和(自身を除く): 35889327

約数列:

[1, 3, 9, 11, 17, 33, 51, 79, 99, 153, 187, 237, 389, 561, 711, 869, 1167, 1343, 1683, 2607, 3501, 4029, 4279, 6613, 7821, 12087, 12837, 14773, 19839, 30731, 38511, 44319, 59517, 72743, 92193, 132957, 218229, 276579, 338041, 522427, 654687, 1014123, 1567281, 3042369, 4701843, 5746697, 17240091, 51720273]

約数ペア:

[(1, 51720273), (3, 17240091), (9, 5746697), (11, 4701843), (17, 3042369), (33, 1567281), (51, 1014123), (79, 654687), (99, 522427), (153, 338041), (187, 276579), (237, 218229), (389, 132957), (561, 92193), (711, 72743), (869, 59517), (1167, 44319), (1343, 38511), (1683, 30731), (2607, 19839), (3501, 14773), (4029, 12837), (4279, 12087), (6613, 7821)]