1380888

素因数分解:

$2^3\times 3^4\times {\mathrm{2131}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 3869580

約数和(自身を除く): 2488692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 2131, 4262, 6393, 8524, 12786, 17048, 19179, 25572, 38358, 51144, 57537, 76716, 115074, 153432, 172611, 230148, 345222, 460296, 690444, 1380888]

約数ペア:

[(1, 1380888), (2, 690444), (3, 460296), (4, 345222), (6, 230148), (8, 172611), (9, 153432), (12, 115074), (18, 76716), (24, 57537), (27, 51144), (36, 38358), (54, 25572), (72, 19179), (81, 17048), (108, 12786), (162, 8524), (216, 6393), (324, 4262), (648, 2131)]