217619997

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1291}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 347289600

約数和(自身を除く): 129669603

約数列:

[1, 3, 7, 21, 23, 69, 161, 349, 483, 1047, 1291, 2443, 3873, 7329, 8027, 9037, 24081, 27111, 29693, 56189, 89079, 168567, 207851, 450559, 623553, 1351677, 3153913, 9461739, 10362857, 31088571, 72539999, 217619997]

約数ペア:

[(1, 217619997), (3, 72539999), (7, 31088571), (21, 10362857), (23, 9461739), (69, 3153913), (161, 1351677), (349, 623553), (483, 450559), (1047, 207851), (1291, 168567), (2443, 89079), (3873, 56189), (7329, 29693), (8027, 27111), (9037, 24081)]