155981955

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{221251}}^1$

素因数の和:221306

約数の個数: 16

約数和(自身を含む): 254882304

約数和(自身を除く): 98900349

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 221251, 663753, 1106255, 3318765, 10398797, 31196391, 51993985, 155981955]

約数ペア:

[(1, 155981955), (3, 51993985), (5, 31196391), (15, 10398797), (47, 3318765), (141, 1106255), (235, 663753), (705, 221251)]