81918216

素因数分解:

$2^3\times 3^5\times {\mathrm{42139}}^1$

素因数の和:42160

約数の個数: 48

約数和(自身を含む): 230084400

約数和(自身を除く): 148166184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 42139, 84278, 126417, 168556, 252834, 337112, 379251, 505668, 758502, 1011336, 1137753, 1517004, 2275506, 3034008, 3413259, 4551012, 6826518, 9102024, 10239777, 13653036, 20479554, 27306072, 40959108, 81918216]

約数ペア:

[(1, 81918216), (2, 40959108), (3, 27306072), (4, 20479554), (6, 13653036), (8, 10239777), (9, 9102024), (12, 6826518), (18, 4551012), (24, 3413259), (27, 3034008), (36, 2275506), (54, 1517004), (72, 1137753), (81, 1011336), (108, 758502), (162, 505668), (216, 379251), (243, 337112), (324, 252834), (486, 168556), (648, 126417), (972, 84278), (1944, 42139)]