81668844

素因数分解:

$2^2\times 3^3\times {\mathrm{223}}^1\times {\mathrm{3391}}^1$

素因数の和:3627

約数の個数: 48

約数和(自身を含む): 212746240

約数和(自身を除く): 131077396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 223, 446, 669, 892, 1338, 2007, 2676, 3391, 4014, 6021, 6782, 8028, 10173, 12042, 13564, 20346, 24084, 30519, 40692, 61038, 91557, 122076, 183114, 366228, 756193, 1512386, 2268579, 3024772, 4537158, 6805737, 9074316, 13611474, 20417211, 27222948, 40834422, 81668844]

約数ペア:

[(1, 81668844), (2, 40834422), (3, 27222948), (4, 20417211), (6, 13611474), (9, 9074316), (12, 6805737), (18, 4537158), (27, 3024772), (36, 2268579), (54, 1512386), (108, 756193), (223, 366228), (446, 183114), (669, 122076), (892, 91557), (1338, 61038), (2007, 40692), (2676, 30519), (3391, 24084), (4014, 20346), (6021, 13564), (6782, 12042), (8028, 10173)]