81091548

素因数分解:

$2^2\times 3^2\times {\mathrm{991}}^1\times {\mathrm{2273}}^1$

素因数の和:3274

約数の個数: 36

約数和(自身を含む): 205278528

約数和(自身を除く): 124186980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 991, 1982, 2273, 2973, 3964, 4546, 5946, 6819, 8919, 9092, 11892, 13638, 17838, 20457, 27276, 35676, 40914, 81828, 2252543, 4505086, 6757629, 9010172, 13515258, 20272887, 27030516, 40545774, 81091548]

約数ペア:

[(1, 81091548), (2, 40545774), (3, 27030516), (4, 20272887), (6, 13515258), (9, 9010172), (12, 6757629), (18, 4505086), (36, 2252543), (991, 81828), (1982, 40914), (2273, 35676), (2973, 27276), (3964, 20457), (4546, 17838), (5946, 13638), (6819, 11892), (8919, 9092)]