81937890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{910421}}^1$

素因数の和:910434

約数の個数: 24

約数和(自身を含む): 213038748

約数和(自身を除く): 131100858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 910421, 1820842, 2731263, 4552105, 5462526, 8193789, 9104210, 13656315, 16387578, 27312630, 40968945, 81937890]

約数ペア:

[(1, 81937890), (2, 40968945), (3, 27312630), (5, 16387578), (6, 13656315), (9, 9104210), (10, 8193789), (15, 5462526), (18, 4552105), (30, 2731263), (45, 1820842), (90, 910421)]