215687619

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{201389}}^1$

素因数の和:201419

約数の個数: 24

約数和(自身を含む): 377002080

約数和(自身を除く): 161314461

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 201389, 604167, 1409723, 1812501, 3423613, 4229169, 10270839, 12687507, 23965291, 30812517, 71895873, 215687619]

約数ペア:

[(1, 215687619), (3, 71895873), (7, 30812517), (9, 23965291), (17, 12687507), (21, 10270839), (51, 4229169), (63, 3423613), (119, 1812501), (153, 1409723), (357, 604167), (1071, 201389)]