121977990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1355311}}^1$

素因数の和:1355324

約数の個数: 24

約数和(自身を含む): 317143008

約数和(自身を除く): 195165018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1355311, 2710622, 4065933, 6776555, 8131866, 12197799, 13553110, 20329665, 24395598, 40659330, 60988995, 121977990]

約数ペア:

[(1, 121977990), (2, 60988995), (3, 40659330), (5, 24395598), (6, 20329665), (9, 13553110), (10, 12197799), (15, 8131866), (18, 6776555), (30, 4065933), (45, 2710622), (90, 1355311)]