77779890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{864221}}^1$

素因数の和:864234

約数の個数: 24

約数和(自身を含む): 202227948

約数和(自身を除く): 124448058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 864221, 1728442, 2592663, 4321105, 5185326, 7777989, 8642210, 12963315, 15555978, 25926630, 38889945, 77779890]

約数ペア:

[(1, 77779890), (2, 38889945), (3, 25926630), (5, 15555978), (6, 12963315), (9, 8642210), (10, 7777989), (15, 5185326), (18, 4321105), (30, 2592663), (45, 1728442), (90, 864221)]