25694487

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 46213440

約数和(自身を除く): 20518953

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 229, 273, 411, 687, 819, 959, 1233, 1603, 1781, 2061, 2877, 2977, 4809, 5343, 8631, 8931, 12467, 14427, 16029, 20839, 26793, 31373, 37401, 62517, 94119, 112203, 187551, 219611, 282357, 407849, 658833, 1223547, 1976499, 2854943, 3670641, 8564829, 25694487]

約数ペア:

[(1, 25694487), (3, 8564829), (7, 3670641), (9, 2854943), (13, 1976499), (21, 1223547), (39, 658833), (63, 407849), (91, 282357), (117, 219611), (137, 187551), (229, 112203), (273, 94119), (411, 62517), (687, 37401), (819, 31373), (959, 26793), (1233, 20839), (1603, 16029), (1781, 14427), (2061, 12467), (2877, 8931), (2977, 8631), (4809, 5343)]