1299987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 2079168

約数和(自身を除く): 779181

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 271, 369, 533, 813, 1599, 2439, 3523, 4797, 10569, 11111, 31707, 33333, 99999, 144443, 433329, 1299987]

約数ペア:

[(1, 1299987), (3, 433329), (9, 144443), (13, 99999), (39, 33333), (41, 31707), (117, 11111), (123, 10569), (271, 4797), (369, 3523), (533, 2439), (813, 1599)]