397164951

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{8803}}^1$

素因数の和:9372

約数の個数: 20

約数和(自身を含む): 594428472

約数和(自身を除く): 197263521

約数列:

[1, 3, 9, 27, 81, 557, 1671, 5013, 8803, 15039, 26409, 45117, 79227, 237681, 713043, 4903271, 14709813, 44129439, 132388317, 397164951]

約数ペア:

[(1, 397164951), (3, 132388317), (9, 44129439), (27, 14709813), (81, 4903271), (557, 713043), (1671, 237681), (5013, 79227), (8803, 45117), (15039, 26409)]