23140005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 45362880

約数和(自身を除く): 22222875

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1657, 1995, 2793, 4655, 4971, 8285, 11599, 13965, 24855, 31483, 34797, 57995, 81193, 94449, 157415, 173985, 220381, 243579, 405965, 472245, 661143, 1101905, 1217895, 1542667, 3305715, 4628001, 7713335, 23140005]

約数ペア:

[(1, 23140005), (3, 7713335), (5, 4628001), (7, 3305715), (15, 1542667), (19, 1217895), (21, 1101905), (35, 661143), (49, 472245), (57, 405965), (95, 243579), (105, 220381), (133, 173985), (147, 157415), (245, 94449), (285, 81193), (399, 57995), (665, 34797), (735, 31483), (931, 24855), (1657, 13965), (1995, 11599), (2793, 8285), (4655, 4971)]