81419793

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12967}}^1$

素因数の和:13013

約数の個数: 32

約数和(自身を含む): 139431936

約数和(自身を除く): 58012143

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 12967, 38901, 90769, 168571, 272307, 298241, 505713, 894723, 1179997, 2087687, 3539991, 3877133, 6263061, 11631399, 27139931, 81419793]

約数ペア:

[(1, 81419793), (3, 27139931), (7, 11631399), (13, 6263061), (21, 3877133), (23, 3539991), (39, 2087687), (69, 1179997), (91, 894723), (161, 505713), (273, 298241), (299, 272307), (483, 168571), (897, 90769), (2093, 38901), (6279, 12967)]