25244217

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 40656000

約数和(自身を除く): 15411783

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 349, 423, 513, 893, 1047, 1269, 1539, 2679, 3141, 3807, 6631, 8037, 9423, 16403, 19893, 24111, 28269, 49209, 59679, 72333, 147627, 179037, 311657, 442881, 537111, 934971, 1328643, 2804913, 8414739, 25244217]

約数ペア:

[(1, 25244217), (3, 8414739), (9, 2804913), (19, 1328643), (27, 934971), (47, 537111), (57, 442881), (81, 311657), (141, 179037), (171, 147627), (349, 72333), (423, 59679), (513, 49209), (893, 28269), (1047, 24111), (1269, 19893), (1539, 16403), (2679, 9423), (3141, 8037), (3807, 6631)]