31435215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 61614720

約数和(自身を除く): 30179505

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2251, 2793, 4655, 6753, 11255, 13965, 15757, 33765, 42769, 47271, 78785, 110299, 128307, 213845, 236355, 299383, 330897, 551495, 641535, 898149, 1496915, 1654485, 2095681, 4490745, 6287043, 10478405, 31435215]

約数ペア:

[(1, 31435215), (3, 10478405), (5, 6287043), (7, 4490745), (15, 2095681), (19, 1654485), (21, 1496915), (35, 898149), (49, 641535), (57, 551495), (95, 330897), (105, 299383), (133, 236355), (147, 213845), (245, 128307), (285, 110299), (399, 78785), (665, 47271), (735, 42769), (931, 33765), (1995, 15757), (2251, 13965), (2793, 11255), (4655, 6753)]