61821990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{686911}}^1$

素因数の和:686924

約数の個数: 24

約数和(自身を含む): 160737408

約数和(自身を除く): 98915418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 686911, 1373822, 2060733, 3434555, 4121466, 6182199, 6869110, 10303665, 12364398, 20607330, 30910995, 61821990]

約数ペア:

[(1, 61821990), (2, 30910995), (3, 20607330), (5, 12364398), (6, 10303665), (9, 6869110), (10, 6182199), (15, 4121466), (18, 3434555), (30, 2060733), (45, 1373822), (90, 686911)]