15511721953

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{821}}^1\times {\mathrm{15971}}^1$

素因数の和:16825

約数の個数: 24

約数和(自身を含む): 19220832576

約数和(自身を除く): 3709110623

約数列:

[1, 7, 13, 91, 169, 821, 1183, 5747, 10673, 15971, 74711, 111797, 138749, 207623, 971243, 1453361, 2699099, 13112191, 18893693, 91785337, 170458483, 1193209381, 2215960279, 15511721953]

約数ペア:

[(1, 15511721953), (7, 2215960279), (13, 1193209381), (91, 170458483), (169, 91785337), (821, 18893693), (1183, 13112191), (5747, 2699099), (10673, 1453361), (15971, 971243), (74711, 207623), (111797, 138749)]