42981813

素因数分解:

$3^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{821}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 73125120

約数和(自身を除く): 30143307

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 277, 821, 831, 1939, 2463, 2493, 5747, 5817, 7389, 7479, 17241, 17451, 22167, 51723, 52353, 155169, 227417, 682251, 1591919, 2046753, 4775757, 6140259, 14327271, 42981813]

約数ペア:

[(1, 42981813), (3, 14327271), (7, 6140259), (9, 4775757), (21, 2046753), (27, 1591919), (63, 682251), (189, 227417), (277, 155169), (821, 52353), (831, 51723), (1939, 22167), (2463, 17451), (2493, 17241), (5747, 7479), (5817, 7389)]