25572267

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 60

約数和(自身を含む): 47175480

約数和(自身を除く): 21603213

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 357, 379, 441, 459, 567, 833, 1071, 1137, 1323, 1377, 2499, 2653, 3213, 3411, 3969, 6443, 7497, 7959, 9639, 10233, 18571, 19329, 22491, 23877, 30699, 45101, 55713, 57987, 67473, 71631, 135303, 167139, 173961, 214893, 315707, 405909, 501417, 521883, 947121, 1217727, 1504251, 2841363, 3653181, 8524089, 25572267]

約数ペア:

[(1, 25572267), (3, 8524089), (7, 3653181), (9, 2841363), (17, 1504251), (21, 1217727), (27, 947121), (49, 521883), (51, 501417), (63, 405909), (81, 315707), (119, 214893), (147, 173961), (153, 167139), (189, 135303), (357, 71631), (379, 67473), (441, 57987), (459, 55713), (567, 45101), (833, 30699), (1071, 23877), (1137, 22491), (1323, 19329), (1377, 18571), (2499, 10233), (2653, 9639), (3213, 7959), (3411, 7497), (3969, 6443)]