28972671

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15161}}^1$

素因数の和:15191

約数の個数: 24

約数和(自身を含む): 48397104

約数和(自身を除く): 19424433

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 15161, 45483, 106127, 197093, 318381, 591279, 742889, 1379651, 2228667, 4138953, 9657557, 28972671]

約数ペア:

[(1, 28972671), (3, 9657557), (7, 4138953), (13, 2228667), (21, 1379651), (39, 742889), (49, 591279), (91, 318381), (147, 197093), (273, 106127), (637, 45483), (1911, 15161)]