2218155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 3843840

約数和(自身を除く): 1625685

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 181, 215, 285, 543, 645, 817, 905, 2451, 2715, 3439, 4085, 7783, 10317, 12255, 17195, 23349, 38915, 51585, 116745, 147877, 443631, 739385, 2218155]

約数ペア:

[(1, 2218155), (3, 739385), (5, 443631), (15, 147877), (19, 116745), (43, 51585), (57, 38915), (95, 23349), (129, 17195), (181, 12255), (215, 10317), (285, 7783), (543, 4085), (645, 3439), (817, 2715), (905, 2451)]