4221399

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 7204344

約数和(自身を除く): 2982945

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 611, 637, 987, 1833, 1911, 2209, 2303, 4277, 6627, 6909, 12831, 15463, 28717, 29939, 46389, 86151, 89817, 108241, 201019, 324723, 603057, 1407133, 4221399]

約数ペア:

[(1, 4221399), (3, 1407133), (7, 603057), (13, 324723), (21, 201019), (39, 108241), (47, 89817), (49, 86151), (91, 46389), (141, 29939), (147, 28717), (273, 15463), (329, 12831), (611, 6909), (637, 6627), (987, 4277), (1833, 2303), (1911, 2209)]