2130765

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 4290048

約数和(自身を除く): 2159283

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 223, 245, 273, 455, 637, 669, 735, 1115, 1365, 1561, 1911, 2899, 3185, 3345, 4683, 7805, 8697, 9555, 10927, 14495, 20293, 23415, 32781, 43485, 54635, 60879, 101465, 142051, 163905, 304395, 426153, 710255, 2130765]

約数ペア:

[(1, 2130765), (3, 710255), (5, 426153), (7, 304395), (13, 163905), (15, 142051), (21, 101465), (35, 60879), (39, 54635), (49, 43485), (65, 32781), (91, 23415), (105, 20293), (147, 14495), (195, 10927), (223, 9555), (245, 8697), (273, 7805), (455, 4683), (637, 3345), (669, 3185), (735, 2899), (1115, 1911), (1365, 1561)]