81090906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1321}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 175011648

約数和(自身を除く): 93920742

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 787, 1321, 1574, 2361, 2642, 3963, 4722, 7926, 10231, 17173, 20462, 30693, 34346, 51519, 61386, 103038, 1039627, 2079254, 3118881, 6237762, 13515151, 27030302, 40545453, 81090906]

約数ペア:

[(1, 81090906), (2, 40545453), (3, 27030302), (6, 13515151), (13, 6237762), (26, 3118881), (39, 2079254), (78, 1039627), (787, 103038), (1321, 61386), (1574, 51519), (2361, 34346), (2642, 30693), (3963, 20462), (4722, 17173), (7926, 10231)]