221470845

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{220369}}^1$

素因数の和:220444

約数の個数: 16

約数和(自身を含む): 359643840

約数和(自身を除く): 138172995

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 220369, 661107, 1101845, 3305535, 14764723, 44294169, 73823615, 221470845]

約数ペア:

[(1, 221470845), (3, 73823615), (5, 44294169), (15, 14764723), (67, 3305535), (201, 1101845), (335, 661107), (1005, 220369)]