81691308

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{32887}}^1$

素因数の和:32923

約数の個数: 48

約数和(自身を含む): 221007360

約数和(自身を除く): 139316052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 32887, 65774, 98661, 131548, 197322, 295983, 394644, 591966, 756401, 887949, 1183932, 1512802, 1775898, 2269203, 3025604, 3551796, 4538406, 6807609, 9076812, 13615218, 20422827, 27230436, 40845654, 81691308]

約数ペア:

[(1, 81691308), (2, 40845654), (3, 27230436), (4, 20422827), (6, 13615218), (9, 9076812), (12, 6807609), (18, 4538406), (23, 3551796), (27, 3025604), (36, 2269203), (46, 1775898), (54, 1512802), (69, 1183932), (92, 887949), (108, 756401), (138, 591966), (207, 394644), (276, 295983), (414, 197322), (621, 131548), (828, 98661), (1242, 65774), (2484, 32887)]