4005387

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 6267456

約数和(自身を除く): 2262069

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 557, 799, 1671, 2397, 5013, 7191, 9469, 26179, 28407, 78537, 85221, 235611, 445043, 1335129, 4005387]

約数ペア:

[(1, 4005387), (3, 1335129), (9, 445043), (17, 235611), (47, 85221), (51, 78537), (141, 28407), (153, 26179), (423, 9469), (557, 7191), (799, 5013), (1671, 2397)]