18069237

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 11178891

約数列:

[1, 3, 9, 23, 27, 53, 61, 69, 81, 159, 183, 207, 243, 477, 549, 621, 1219, 1403, 1431, 1647, 1863, 3233, 3657, 4209, 4293, 4941, 5589, 9699, 10971, 12627, 12879, 14823, 29097, 32913, 37881, 74359, 87291, 98739, 113643, 223077, 261873, 296217, 340929, 669231, 785619, 2007693, 6023079, 18069237]

約数ペア:

[(1, 18069237), (3, 6023079), (9, 2007693), (23, 785619), (27, 669231), (53, 340929), (61, 296217), (69, 261873), (81, 223077), (159, 113643), (183, 98739), (207, 87291), (243, 74359), (477, 37881), (549, 32913), (621, 29097), (1219, 14823), (1403, 12879), (1431, 12627), (1647, 10971), (1863, 9699), (3233, 5589), (3657, 4941), (4209, 4293)]