67989117

素因数分解:

$3^1\times 7^4\times {\mathrm{9439}}^1$

素因数の和:9470

約数の個数: 20

約数和(自身を含む): 105765760

約数和(自身を除く): 37776643

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 9439, 28317, 66073, 198219, 462511, 1387533, 3237577, 9712731, 22663039, 67989117]

約数ペア:

[(1, 67989117), (3, 22663039), (7, 9712731), (21, 3237577), (49, 1387533), (147, 462511), (343, 198219), (1029, 66073), (2401, 28317), (7203, 9439)]