8216325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:135

約数の個数: 54

約数和(自身を含む): 16153046

約数和(自身を除く): 7936721

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 117, 159, 195, 225, 265, 325, 477, 585, 689, 795, 975, 1325, 2067, 2385, 2809, 2925, 3445, 3975, 6201, 8427, 10335, 11925, 14045, 17225, 25281, 31005, 36517, 42135, 51675, 70225, 109551, 126405, 155025, 182585, 210675, 328653, 547755, 632025, 912925, 1643265, 2738775, 8216325]

約数ペア:

[(1, 8216325), (3, 2738775), (5, 1643265), (9, 912925), (13, 632025), (15, 547755), (25, 328653), (39, 210675), (45, 182585), (53, 155025), (65, 126405), (75, 109551), (117, 70225), (159, 51675), (195, 42135), (225, 36517), (265, 31005), (325, 25281), (477, 17225), (585, 14045), (689, 11925), (795, 10335), (975, 8427), (1325, 6201), (2067, 3975), (2385, 3445), (2809, 2925)]