211329873

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47629}}^1$

素因数の和:47681

約数の個数: 24

約数和(自身を含む): 334362600

約数和(自身を除く): 123032727

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 47629, 142887, 428661, 809693, 1381241, 2429079, 4143723, 7287237, 12431169, 23481097, 70443291, 211329873]

約数ペア:

[(1, 211329873), (3, 70443291), (9, 23481097), (17, 12431169), (29, 7287237), (51, 4143723), (87, 2429079), (153, 1381241), (261, 809693), (493, 428661), (1479, 142887), (4437, 47629)]