1490405619

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{7027}}^1$

素因数の和:7171

約数の個数: 24

約数和(自身を含む): 2126953920

約数和(自身を除く): 636548301

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 3721, 7027, 11163, 21081, 70699, 133513, 212097, 400539, 428647, 1285941, 8144293, 24432879, 26147467, 78442401, 496801873, 1490405619]

約数ペア:

[(1, 1490405619), (3, 496801873), (19, 78442401), (57, 26147467), (61, 24432879), (183, 8144293), (1159, 1285941), (3477, 428647), (3721, 400539), (7027, 212097), (11163, 133513), (21081, 70699)]