221670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{821}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 591840

約数和(自身を除く): 370170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 821, 1642, 2463, 4105, 4926, 7389, 8210, 12315, 14778, 22167, 24630, 36945, 44334, 73890, 110835, 221670]

約数ペア:

[(1, 221670), (2, 110835), (3, 73890), (5, 44334), (6, 36945), (9, 24630), (10, 22167), (15, 14778), (18, 12315), (27, 8210), (30, 7389), (45, 4926), (54, 4105), (90, 2463), (135, 1642), (270, 821)]