720897957

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{2243}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 1166413248

約数和(自身を除く): 445515291

約数列:

[1, 3, 9, 13, 39, 41, 67, 117, 123, 201, 369, 533, 603, 871, 1599, 2243, 2613, 2747, 4797, 6729, 7839, 8241, 20187, 24723, 29159, 35711, 87477, 91963, 107133, 150281, 262431, 275889, 321399, 450843, 827667, 1195519, 1352529, 1953653, 3586557, 5860959, 6161521, 10759671, 17582877, 18484563, 55453689, 80099773, 240299319, 720897957]

約数ペア:

[(1, 720897957), (3, 240299319), (9, 80099773), (13, 55453689), (39, 18484563), (41, 17582877), (67, 10759671), (117, 6161521), (123, 5860959), (201, 3586557), (369, 1953653), (533, 1352529), (603, 1195519), (871, 827667), (1599, 450843), (2243, 321399), (2613, 275889), (2747, 262431), (4797, 150281), (6729, 107133), (7839, 91963), (8241, 87477), (20187, 35711), (24723, 29159)]