18102771

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 11250189

約数列:

[1, 3, 9, 23, 27, 41, 69, 79, 81, 123, 207, 237, 243, 369, 621, 711, 943, 1107, 1817, 1863, 2133, 2829, 3239, 3321, 5451, 5589, 6399, 8487, 9717, 9963, 16353, 19197, 25461, 29151, 49059, 74497, 76383, 87453, 147177, 223491, 229149, 262359, 441531, 670473, 787077, 2011419, 6034257, 18102771]

約数ペア:

[(1, 18102771), (3, 6034257), (9, 2011419), (23, 787077), (27, 670473), (41, 441531), (69, 262359), (79, 229149), (81, 223491), (123, 147177), (207, 87453), (237, 76383), (243, 74497), (369, 49059), (621, 29151), (711, 25461), (943, 19197), (1107, 16353), (1817, 9963), (1863, 9717), (2133, 8487), (2829, 6399), (3239, 5589), (3321, 5451)]