221449329

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{221671}}^1$

素因数の和:221717

約数の個数: 16

約数和(自身を含む): 336941440

約数和(自身を除く): 115492111

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 221671, 665013, 1995039, 5985117, 8201827, 24605481, 73816443, 221449329]

約数ペア:

[(1, 221449329), (3, 73816443), (9, 24605481), (27, 8201827), (37, 5985117), (111, 1995039), (333, 665013), (999, 221671)]