4974489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 8530704

約数和(自身を除く): 3556215

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 61, 117, 123, 153, 183, 221, 369, 533, 549, 663, 697, 793, 1037, 1599, 1989, 2091, 2379, 2501, 3111, 4797, 6273, 7137, 7503, 9061, 9333, 13481, 22509, 27183, 32513, 40443, 42517, 81549, 97539, 121329, 127551, 292617, 382653, 552721, 1658163, 4974489]

約数ペア:

[(1, 4974489), (3, 1658163), (9, 552721), (13, 382653), (17, 292617), (39, 127551), (41, 121329), (51, 97539), (61, 81549), (117, 42517), (123, 40443), (153, 32513), (183, 27183), (221, 22509), (369, 13481), (533, 9333), (549, 9061), (663, 7503), (697, 7137), (793, 6273), (1037, 4797), (1599, 3111), (1989, 2501), (2091, 2379)]