25335531

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 19016469

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 87, 117, 131, 171, 247, 261, 351, 377, 393, 513, 551, 741, 783, 1131, 1179, 1653, 1703, 2223, 2489, 3393, 3537, 3799, 4959, 5109, 6669, 7163, 7467, 10179, 11397, 14877, 15327, 21489, 22401, 32357, 34191, 45981, 49387, 64467, 67203, 72181, 97071, 102573, 148161, 193401, 216543, 291213, 444483, 649629, 873639, 938353, 1333449, 1948887, 2815059, 8445177, 25335531]

約数ペア:

[(1, 25335531), (3, 8445177), (9, 2815059), (13, 1948887), (19, 1333449), (27, 938353), (29, 873639), (39, 649629), (57, 444483), (87, 291213), (117, 216543), (131, 193401), (171, 148161), (247, 102573), (261, 97071), (351, 72181), (377, 67203), (393, 64467), (513, 49387), (551, 45981), (741, 34191), (783, 32357), (1131, 22401), (1179, 21489), (1653, 15327), (1703, 14877), (2223, 11397), (2489, 10179), (3393, 7467), (3537, 7163), (3799, 6669), (4959, 5109)]