31220865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 59072832

約数和(自身を除く): 27851967

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 83, 117, 195, 249, 415, 585, 643, 747, 1079, 1245, 1929, 3215, 3237, 3735, 5395, 5787, 8359, 9645, 9711, 16185, 25077, 28935, 41795, 48555, 53369, 75231, 125385, 160107, 266845, 376155, 480321, 693797, 800535, 2081391, 2401605, 3468985, 6244173, 10406955, 31220865]

約数ペア:

[(1, 31220865), (3, 10406955), (5, 6244173), (9, 3468985), (13, 2401605), (15, 2081391), (39, 800535), (45, 693797), (65, 480321), (83, 376155), (117, 266845), (195, 160107), (249, 125385), (415, 75231), (585, 53369), (643, 48555), (747, 41795), (1079, 28935), (1245, 25077), (1929, 16185), (3215, 9711), (3237, 9645), (3735, 8359), (5395, 5787)]