787428579

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 1252869120

約数和(自身を除く): 465440541

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 211, 371, 479, 633, 1113, 1437, 1477, 2597, 3353, 4431, 7791, 10059, 10339, 11183, 23471, 25387, 31017, 33549, 70413, 76161, 78281, 101069, 177709, 234843, 303207, 533127, 547967, 707483, 1243963, 1643901, 2122449, 3731889, 4952381, 5356657, 14857143, 16069971, 37496599, 112489797, 262476193, 787428579]

約数ペア:

[(1, 787428579), (3, 262476193), (7, 112489797), (21, 37496599), (49, 16069971), (53, 14857143), (147, 5356657), (159, 4952381), (211, 3731889), (371, 2122449), (479, 1643901), (633, 1243963), (1113, 707483), (1437, 547967), (1477, 533127), (2597, 303207), (3353, 234843), (4431, 177709), (7791, 101069), (10059, 78281), (10339, 76161), (11183, 70413), (23471, 33549), (25387, 31017)]