81269784

素因数分解:

$2^3\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1499}}^1$

素因数の和:1765

約数の個数: 64

約数和(自身を含む): 226800000

約数和(自身を除く): 145530216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 251, 502, 753, 1004, 1499, 1506, 2008, 2259, 2998, 3012, 4497, 4518, 5996, 6024, 6777, 8994, 9036, 11992, 13491, 13554, 17988, 18072, 26982, 27108, 35976, 40473, 53964, 54216, 80946, 107928, 161892, 323784, 376249, 752498, 1128747, 1504996, 2257494, 3009992, 3386241, 4514988, 6772482, 9029976, 10158723, 13544964, 20317446, 27089928, 40634892, 81269784]

約数ペア:

[(1, 81269784), (2, 40634892), (3, 27089928), (4, 20317446), (6, 13544964), (8, 10158723), (9, 9029976), (12, 6772482), (18, 4514988), (24, 3386241), (27, 3009992), (36, 2257494), (54, 1504996), (72, 1128747), (108, 752498), (216, 376249), (251, 323784), (502, 161892), (753, 107928), (1004, 80946), (1499, 54216), (1506, 53964), (2008, 40473), (2259, 35976), (2998, 27108), (3012, 26982), (4497, 18072), (4518, 17988), (5996, 13554), (6024, 13491), (6777, 11992), (8994, 9036)]