2188205715

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{91691}}^1$

素因数の和:91779

約数の個数: 32

約数和(自身を含む): 3679416576

約数和(自身を除く): 1491210861

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 4773, 7955, 23865, 91691, 275073, 458455, 1375365, 3392567, 3942713, 10177701, 11828139, 16962835, 19713565, 50888505, 59140695, 145880381, 437641143, 729401905, 2188205715]

約数ペア:

[(1, 2188205715), (3, 729401905), (5, 437641143), (15, 145880381), (37, 59140695), (43, 50888505), (111, 19713565), (129, 16962835), (185, 11828139), (215, 10177701), (555, 3942713), (645, 3392567), (1591, 1375365), (4773, 458455), (7955, 275073), (23865, 91691)]