26390511

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 20941137

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 601, 697, 861, 1071, 1803, 2091, 2583, 4207, 4879, 5409, 6273, 10217, 12621, 14637, 24641, 30651, 37863, 43911, 71519, 73923, 91953, 172487, 214557, 221769, 418897, 517461, 643671, 1256691, 1552383, 2932279, 3770073, 8796837, 26390511]

約数ペア:

[(1, 26390511), (3, 8796837), (7, 3770073), (9, 2932279), (17, 1552383), (21, 1256691), (41, 643671), (51, 517461), (63, 418897), (119, 221769), (123, 214557), (153, 172487), (287, 91953), (357, 73923), (369, 71519), (601, 43911), (697, 37863), (861, 30651), (1071, 24641), (1803, 14637), (2091, 12621), (2583, 10217), (4207, 6273), (4879, 5409)]