220637169

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{863}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 347120640

約数和(自身を除く): 126483471

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 557, 863, 1671, 2589, 5013, 7767, 9469, 14671, 15039, 23301, 28407, 44013, 85221, 132039, 255663, 396117, 480691, 1442073, 4326219, 8171747, 12978657, 24515241, 73545723, 220637169]

約数ペア:

[(1, 220637169), (3, 73545723), (9, 24515241), (17, 12978657), (27, 8171747), (51, 4326219), (153, 1442073), (459, 480691), (557, 396117), (863, 255663), (1671, 132039), (2589, 85221), (5013, 44013), (7767, 28407), (9469, 23301), (14671, 15039)]