218494305

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103307}}^1$

素因数の和:103365

約数の個数: 24

約数和(自身を含む): 386785152

約数和(自身を除く): 168290847

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 103307, 309921, 516535, 929763, 1549605, 4648815, 4855429, 14566287, 24277145, 43698861, 72831435, 218494305]

約数ペア:

[(1, 218494305), (3, 72831435), (5, 43698861), (9, 24277145), (15, 14566287), (45, 4855429), (47, 4648815), (141, 1549605), (235, 929763), (423, 516535), (705, 309921), (2115, 103307)]