18272121

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16417}}^1$

素因数の和:16480

約数の個数: 16

約数和(自身を含む): 28370304

約数和(自身を除く): 10098183

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 16417, 49251, 114919, 344757, 870101, 2610303, 6090707, 18272121]

約数ペア:

[(1, 18272121), (3, 6090707), (7, 2610303), (21, 870101), (53, 344757), (159, 114919), (371, 49251), (1113, 16417)]