81798327

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 134447040

約数和(自身を除く): 52648713

約数列:

[1, 3, 9, 13, 23, 39, 69, 113, 117, 207, 269, 299, 339, 807, 897, 1017, 1469, 2421, 2599, 2691, 3497, 4407, 6187, 7797, 10491, 13221, 18561, 23391, 30397, 31473, 33787, 55683, 80431, 91191, 101361, 241293, 273573, 304083, 395161, 699131, 723879, 1185483, 2097393, 3556449, 6292179, 9088703, 27266109, 81798327]

約数ペア:

[(1, 81798327), (3, 27266109), (9, 9088703), (13, 6292179), (23, 3556449), (39, 2097393), (69, 1185483), (113, 723879), (117, 699131), (207, 395161), (269, 304083), (299, 273573), (339, 241293), (807, 101361), (897, 91191), (1017, 80431), (1469, 55683), (2421, 33787), (2599, 31473), (2691, 30397), (3497, 23391), (4407, 18561), (6187, 13221), (7797, 10491)]