305596719

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{42391}}^1$

素因数の和:42492

約数の個数: 20

約数和(自身を含む): 461648880

約数和(自身を除く): 156052161

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 42391, 127173, 381519, 1144557, 3433671, 3772799, 11318397, 33955191, 101865573, 305596719]

約数ペア:

[(1, 305596719), (3, 101865573), (9, 33955191), (27, 11318397), (81, 3772799), (89, 3433671), (267, 1144557), (801, 381519), (2403, 127173), (7209, 42391)]