16307991

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{683}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 27031680

約数和(自身を除く): 10723689

約数列:

[1, 3, 7, 9, 21, 63, 379, 683, 1137, 2049, 2653, 3411, 4781, 6147, 7959, 14343, 23877, 43029, 258857, 776571, 1811999, 2329713, 5435997, 16307991]

約数ペア:

[(1, 16307991), (3, 5435997), (7, 2329713), (9, 1811999), (21, 776571), (63, 258857), (379, 43029), (683, 23877), (1137, 14343), (2049, 7959), (2653, 6147), (3411, 4781)]