81221670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{300821}}^1$

素因数の和:300837

約数の個数: 32

約数和(自身を含む): 216591840

約数和(自身を除く): 135370170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 300821, 601642, 902463, 1504105, 1804926, 2707389, 3008210, 4512315, 5414778, 8122167, 9024630, 13536945, 16244334, 27073890, 40610835, 81221670]

約数ペア:

[(1, 81221670), (2, 40610835), (3, 27073890), (5, 16244334), (6, 13536945), (9, 9024630), (10, 8122167), (15, 5414778), (18, 4512315), (27, 3008210), (30, 2707389), (45, 1804926), (54, 1504105), (90, 902463), (135, 601642), (270, 300821)]