2951221

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 3820824

約数和(自身を除く): 869603

約数列:

[1, 7, 13, 41, 49, 91, 113, 287, 533, 637, 791, 1469, 2009, 3731, 4633, 5537, 10283, 26117, 32431, 60229, 71981, 227017, 421603, 2951221]

約数ペア:

[(1, 2951221), (7, 421603), (13, 227017), (41, 71981), (49, 60229), (91, 32431), (113, 26117), (287, 10283), (533, 5537), (637, 4633), (791, 3731), (1469, 2009)]