81631890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{907021}}^1$

素因数の和:907034

約数の個数: 24

約数和(自身を含む): 212243148

約数和(自身を除く): 130611258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 907021, 1814042, 2721063, 4535105, 5442126, 8163189, 9070210, 13605315, 16326378, 27210630, 40815945, 81631890]

約数ペア:

[(1, 81631890), (2, 40815945), (3, 27210630), (5, 16326378), (6, 13605315), (9, 9070210), (10, 8163189), (15, 5442126), (18, 4535105), (30, 2721063), (45, 1814042), (90, 907021)]