2905919919

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{4451}}^1$

素因数の和:4748

約数の個数: 48

約数和(自身を含む): 4930109184

約数和(自身を除く): 2024189265

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 241, 301, 387, 723, 903, 1687, 2169, 2709, 4451, 5061, 10363, 13353, 15183, 31089, 31157, 40059, 72541, 93267, 93471, 191393, 217623, 280413, 574179, 652869, 1072691, 1339751, 1722537, 3218073, 4019253, 7508837, 9654219, 12057759, 22526511, 46125713, 67579533, 138377139, 322879991, 415131417, 968639973, 2905919919]

約数ペア:

[(1, 2905919919), (3, 968639973), (7, 415131417), (9, 322879991), (21, 138377139), (43, 67579533), (63, 46125713), (129, 22526511), (241, 12057759), (301, 9654219), (387, 7508837), (723, 4019253), (903, 3218073), (1687, 1722537), (2169, 1339751), (2709, 1072691), (4451, 652869), (5061, 574179), (10363, 280413), (13353, 217623), (15183, 191393), (31089, 93471), (31157, 93267), (40059, 72541)]