1390452021

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{237319}}^1$

素因数の和:237366

約数の個数: 32

約数和(自身を含む): 2430156800

約数和(自身を除く): 1039704779

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 237319, 711957, 1661233, 2135871, 4983699, 6407613, 7356889, 14951097, 22070667, 44853291, 51498223, 66212001, 154494669, 198636003, 463484007, 1390452021]

約数ペア:

[(1, 1390452021), (3, 463484007), (7, 198636003), (9, 154494669), (21, 66212001), (27, 51498223), (31, 44853291), (63, 22070667), (93, 14951097), (189, 7356889), (217, 6407613), (279, 4983699), (651, 2135871), (837, 1661233), (1953, 711957), (5859, 237319)]