25083405

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 47520000

約数和(自身を除く): 22436595

約数列:

[1, 3, 5, 9, 15, 27, 29, 43, 45, 87, 129, 135, 145, 149, 215, 261, 387, 435, 447, 645, 745, 783, 1161, 1247, 1305, 1341, 1935, 2235, 3741, 3915, 4023, 4321, 5805, 6235, 6407, 6705, 11223, 12963, 18705, 19221, 20115, 21605, 32035, 33669, 38889, 56115, 57663, 64815, 96105, 116667, 168345, 172989, 185803, 194445, 288315, 557409, 583335, 864945, 929015, 1672227, 2787045, 5016681, 8361135, 25083405]

約数ペア:

[(1, 25083405), (3, 8361135), (5, 5016681), (9, 2787045), (15, 1672227), (27, 929015), (29, 864945), (43, 583335), (45, 557409), (87, 288315), (129, 194445), (135, 185803), (145, 172989), (149, 168345), (215, 116667), (261, 96105), (387, 64815), (435, 57663), (447, 56115), (645, 38889), (745, 33669), (783, 32035), (1161, 21605), (1247, 20115), (1305, 19221), (1341, 18705), (1935, 12963), (2235, 11223), (3741, 6705), (3915, 6407), (4023, 6235), (4321, 5805)]