81840291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^2$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 122020080

約数和(自身を除く): 40179789

約数列:

[1, 3, 13, 29, 39, 87, 269, 377, 807, 1131, 3497, 7801, 10491, 23403, 72361, 101413, 217083, 304239, 940693, 2098469, 2822079, 6295407, 27280097, 81840291]

約数ペア:

[(1, 81840291), (3, 27280097), (13, 6295407), (29, 2822079), (39, 2098469), (87, 940693), (269, 304239), (377, 217083), (807, 101413), (1131, 72361), (3497, 23403), (7801, 10491)]