81016221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 127991808

約数和(自身を除く): 46975587

約数列:

[1, 3, 11, 13, 33, 39, 127, 143, 381, 429, 1397, 1487, 1651, 4191, 4461, 4953, 16357, 18161, 19331, 49071, 54483, 57993, 188849, 212641, 566547, 637923, 2077339, 2455037, 6232017, 7365111, 27005407, 81016221]

約数ペア:

[(1, 81016221), (3, 27005407), (11, 7365111), (13, 6232017), (33, 2455037), (39, 2077339), (127, 637923), (143, 566547), (381, 212641), (429, 188849), (1397, 57993), (1487, 54483), (1651, 49071), (4191, 19331), (4461, 18161), (4953, 16357)]