7907991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 13171200

約数和(自身を除く): 5263209

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 349, 581, 1047, 1079, 1743, 2443, 3237, 4537, 7329, 7553, 13611, 22659, 28967, 31759, 86901, 95277, 202769, 376571, 608307, 1129713, 2635997, 7907991]

約数ペア:

[(1, 7907991), (3, 2635997), (7, 1129713), (13, 608307), (21, 376571), (39, 202769), (83, 95277), (91, 86901), (249, 31759), (273, 28967), (349, 22659), (581, 13611), (1047, 7553), (1079, 7329), (1743, 4537), (2443, 3237)]