253934289

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 434678400

約数和(自身を除く): 180744111

約数列:

[1, 3, 7, 9, 21, 53, 59, 63, 159, 177, 371, 413, 477, 531, 1113, 1239, 1289, 3127, 3339, 3717, 3867, 9023, 9381, 11601, 21889, 27069, 28143, 65667, 68317, 76051, 81207, 197001, 204951, 228153, 478219, 532357, 614853, 684459, 1434657, 1597071, 4030703, 4303971, 4791213, 12092109, 28214921, 36276327, 84644763, 253934289]

約数ペア:

[(1, 253934289), (3, 84644763), (7, 36276327), (9, 28214921), (21, 12092109), (53, 4791213), (59, 4303971), (63, 4030703), (159, 1597071), (177, 1434657), (371, 684459), (413, 614853), (477, 532357), (531, 478219), (1113, 228153), (1239, 204951), (1289, 197001), (3127, 81207), (3339, 76051), (3717, 68317), (3867, 65667), (9023, 28143), (9381, 27069), (11601, 21889)]