213570405

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{93059}}^1$

素因数の和:93090

約数の個数: 32

約数和(自身を含む): 402019200

約数和(自身を除く): 188448795

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 93059, 279177, 465295, 837531, 1395885, 1582003, 2512593, 4187655, 4746009, 7910015, 12562965, 14238027, 23730045, 42714081, 71190135, 213570405]

約数ペア:

[(1, 213570405), (3, 71190135), (5, 42714081), (9, 23730045), (15, 14238027), (17, 12562965), (27, 7910015), (45, 4746009), (51, 4187655), (85, 2512593), (135, 1582003), (153, 1395885), (255, 837531), (459, 465295), (765, 279177), (2295, 93059)]