2048319

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 3791424

約数和(自身を除く): 1743105

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 61, 63, 91, 117, 123, 183, 273, 287, 369, 427, 533, 549, 793, 819, 861, 1281, 1599, 2379, 2501, 2583, 3731, 3843, 4797, 5551, 7137, 7503, 11193, 16653, 17507, 22509, 32513, 33579, 49959, 52521, 97539, 157563, 227591, 292617, 682773, 2048319]

約数ペア:

[(1, 2048319), (3, 682773), (7, 292617), (9, 227591), (13, 157563), (21, 97539), (39, 52521), (41, 49959), (61, 33579), (63, 32513), (91, 22509), (117, 17507), (123, 16653), (183, 11193), (273, 7503), (287, 7137), (369, 5551), (427, 4797), (533, 3843), (549, 3731), (793, 2583), (819, 2501), (861, 2379), (1281, 1599)]