2637405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4942080

約数和(自身を除く): 2304675

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 47, 87, 129, 141, 145, 215, 235, 261, 387, 423, 435, 645, 705, 1247, 1305, 1363, 1935, 2021, 2115, 3741, 4089, 6063, 6235, 6815, 10105, 11223, 12267, 18189, 18705, 20445, 30315, 56115, 58609, 61335, 90945, 175827, 293045, 527481, 879135, 2637405]

約数ペア:

[(1, 2637405), (3, 879135), (5, 527481), (9, 293045), (15, 175827), (29, 90945), (43, 61335), (45, 58609), (47, 56115), (87, 30315), (129, 20445), (141, 18705), (145, 18189), (215, 12267), (235, 11223), (261, 10105), (387, 6815), (423, 6235), (435, 6063), (645, 4089), (705, 3741), (1247, 2115), (1305, 2021), (1363, 1935)]