31139745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3259}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 62435520

約数和(自身を除く): 31295775

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 3259, 9555, 9777, 16295, 22813, 42367, 48885, 68439, 114065, 127101, 159691, 211835, 296569, 342195, 479073, 635505, 798455, 889707, 1482845, 2075983, 2395365, 4448535, 6227949, 10379915, 31139745]

約数ペア:

[(1, 31139745), (3, 10379915), (5, 6227949), (7, 4448535), (13, 2395365), (15, 2075983), (21, 1482845), (35, 889707), (39, 798455), (49, 635505), (65, 479073), (91, 342195), (105, 296569), (147, 211835), (195, 159691), (245, 127101), (273, 114065), (455, 68439), (637, 48885), (735, 42367), (1365, 22813), (1911, 16295), (3185, 9777), (3259, 9555)]