7218009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 11042304

約数和(自身を除く): 3824295

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 631, 1271, 1893, 3813, 5679, 11439, 19561, 25871, 58683, 77613, 176049, 232839, 802001, 2406003, 7218009]

約数ペア:

[(1, 7218009), (3, 2406003), (9, 802001), (31, 232839), (41, 176049), (93, 77613), (123, 58683), (279, 25871), (369, 19561), (631, 11439), (1271, 5679), (1893, 3813)]