81512874

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{491}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 185125824

約数和(自身を除く): 103612950

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 401, 414, 491, 802, 982, 1203, 1473, 2406, 2946, 3609, 4419, 7218, 8838, 9223, 11293, 18446, 22586, 27669, 33879, 55338, 67758, 83007, 101637, 166014, 196891, 203274, 393782, 590673, 1181346, 1772019, 3544038, 4528493, 9056986, 13585479, 27170958, 40756437, 81512874]

約数ペア:

[(1, 81512874), (2, 40756437), (3, 27170958), (6, 13585479), (9, 9056986), (18, 4528493), (23, 3544038), (46, 1772019), (69, 1181346), (138, 590673), (207, 393782), (401, 203274), (414, 196891), (491, 166014), (802, 101637), (982, 83007), (1203, 67758), (1473, 55338), (2406, 33879), (2946, 27669), (3609, 22586), (4419, 18446), (7218, 11293), (8838, 9223)]