8215875

素因数分解:

$3^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 15169440

約数和(自身を除く): 6953565

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 109, 125, 201, 225, 327, 335, 375, 545, 603, 981, 1005, 1125, 1635, 1675, 2725, 3015, 4905, 5025, 7303, 8175, 8375, 13625, 15075, 21909, 24525, 25125, 36515, 40875, 65727, 75375, 109545, 122625, 182575, 328635, 547725, 912875, 1643175, 2738625, 8215875]

約数ペア:

[(1, 8215875), (3, 2738625), (5, 1643175), (9, 912875), (15, 547725), (25, 328635), (45, 182575), (67, 122625), (75, 109545), (109, 75375), (125, 65727), (201, 40875), (225, 36515), (327, 25125), (335, 24525), (375, 21909), (545, 15075), (603, 13625), (981, 8375), (1005, 8175), (1125, 7303), (1635, 5025), (1675, 4905), (2725, 3015)]