81218088

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23021}}^1$

素因数の和:23047

約数の個数: 72

約数和(自身を含む): 255889530

約数和(自身を除く): 174671442

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 23021, 46042, 69063, 92084, 138126, 161147, 184168, 207189, 276252, 322294, 414378, 483441, 552504, 644588, 828756, 966882, 1128029, 1289176, 1450323, 1657512, 1933764, 2256058, 2900646, 3384087, 3867528, 4512116, 5801292, 6768174, 9024232, 10152261, 11602584, 13536348, 20304522, 27072696, 40609044, 81218088]

約数ペア:

[(1, 81218088), (2, 40609044), (3, 27072696), (4, 20304522), (6, 13536348), (7, 11602584), (8, 10152261), (9, 9024232), (12, 6768174), (14, 5801292), (18, 4512116), (21, 3867528), (24, 3384087), (28, 2900646), (36, 2256058), (42, 1933764), (49, 1657512), (56, 1450323), (63, 1289176), (72, 1128029), (84, 966882), (98, 828756), (126, 644588), (147, 552504), (168, 483441), (196, 414378), (252, 322294), (294, 276252), (392, 207189), (441, 184168), (504, 161147), (588, 138126), (882, 92084), (1176, 69063), (1764, 46042), (3528, 23021)]