25149747

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 14589645

約数列:

[1, 3, 7, 21, 47, 83, 141, 249, 307, 329, 581, 921, 987, 1743, 2149, 3901, 6447, 11703, 14429, 25481, 27307, 43287, 76443, 81921, 101003, 178367, 303009, 535101, 1197607, 3592821, 8383249, 25149747]

約数ペア:

[(1, 25149747), (3, 8383249), (7, 3592821), (21, 1197607), (47, 535101), (83, 303009), (141, 178367), (249, 101003), (307, 81921), (329, 76443), (581, 43287), (921, 27307), (987, 25481), (1743, 14429), (2149, 11703), (3901, 6447)]