661549473

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137909}}^1$

素因数の和:137969

約数の個数: 24

約数和(自身を含む): 1054184040

約数和(自身を除く): 392634567

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 137909, 413727, 1241181, 1792817, 5378451, 5654269, 16135353, 16962807, 50888421, 73505497, 220516491, 661549473]

約数ペア:

[(1, 661549473), (3, 220516491), (9, 73505497), (13, 50888421), (39, 16962807), (41, 16135353), (117, 5654269), (123, 5378451), (369, 1792817), (533, 1241181), (1599, 413727), (4797, 137909)]