396921879

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 614615040

約数和(自身を除く): 217693161

約数列:

[1, 3, 9, 23, 69, 71, 113, 207, 213, 239, 339, 639, 717, 1017, 1633, 2151, 2599, 4899, 5497, 7797, 8023, 14697, 16491, 16969, 23391, 24069, 27007, 49473, 50907, 72207, 81021, 152721, 184529, 243063, 390287, 553587, 621161, 1170861, 1660761, 1863483, 1917497, 3512583, 5590449, 5752491, 17257473, 44102431, 132307293, 396921879]

約数ペア:

[(1, 396921879), (3, 132307293), (9, 44102431), (23, 17257473), (69, 5752491), (71, 5590449), (113, 3512583), (207, 1917497), (213, 1863483), (239, 1660761), (339, 1170861), (639, 621161), (717, 553587), (1017, 390287), (1633, 243063), (2151, 184529), (2599, 152721), (4899, 81021), (5497, 72207), (7797, 50907), (8023, 49473), (14697, 27007), (16491, 24069), (16969, 23391)]