64415253

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{1409}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 100301760

約数和(自身を除く): 35886507

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 1409, 2177, 4227, 6531, 9863, 15239, 29589, 45717, 69041, 207123, 438199, 1314597, 3067393, 9202179, 21471751, 64415253]

約数ペア:

[(1, 64415253), (3, 21471751), (7, 9202179), (21, 3067393), (49, 1314597), (147, 438199), (311, 207123), (933, 69041), (1409, 45717), (2177, 29589), (4227, 15239), (6531, 9863)]