81873071

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 106560000

約数和(自身を除く): 24686929

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 343, 739, 833, 931, 2261, 5173, 5831, 6517, 12563, 14041, 15827, 36211, 87941, 98287, 110789, 238697, 253477, 615587, 688009, 1670879, 4309109, 4816063, 11696153, 81873071]

約数ペア:

[(1, 81873071), (7, 11696153), (17, 4816063), (19, 4309109), (49, 1670879), (119, 688009), (133, 615587), (323, 253477), (343, 238697), (739, 110789), (833, 98287), (931, 87941), (2261, 36211), (5173, 15827), (5831, 14041), (6517, 12563)]