1320221325

素因数分解:

$3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 2209303040

約数和(自身を除く): 889081715

約数列:

[1, 3, 5, 15, 25, 75, 193, 223, 409, 579, 669, 965, 1115, 1227, 2045, 2895, 3345, 4825, 5575, 6135, 10225, 14475, 16725, 30675, 43039, 78937, 91207, 129117, 215195, 236811, 273621, 394685, 456035, 645585, 1075975, 1184055, 1368105, 1973425, 2280175, 3227925, 5920275, 6840525, 17602951, 52808853, 88014755, 264044265, 440073775, 1320221325]

約数ペア:

[(1, 1320221325), (3, 440073775), (5, 264044265), (15, 88014755), (25, 52808853), (75, 17602951), (193, 6840525), (223, 5920275), (409, 3227925), (579, 2280175), (669, 1973425), (965, 1368105), (1115, 1184055), (1227, 1075975), (2045, 645585), (2895, 456035), (3345, 394685), (4825, 273621), (5575, 236811), (6135, 215195), (10225, 129117), (14475, 91207), (16725, 78937), (30675, 43039)]