81020556

素因数分解:

$2^2\times 3^2\times {\mathrm{359}}^1\times {\mathrm{6269}}^1$

素因数の和:6638

約数の個数: 36

約数和(自身を含む): 205405200

約数和(自身を除く): 124384644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 359, 718, 1077, 1436, 2154, 3231, 4308, 6269, 6462, 12538, 12924, 18807, 25076, 37614, 56421, 75228, 112842, 225684, 2250571, 4501142, 6751713, 9002284, 13503426, 20255139, 27006852, 40510278, 81020556]

約数ペア:

[(1, 81020556), (2, 40510278), (3, 27006852), (4, 20255139), (6, 13503426), (9, 9002284), (12, 6751713), (18, 4501142), (36, 2250571), (359, 225684), (718, 112842), (1077, 75228), (1436, 56421), (2154, 37614), (3231, 25076), (4308, 18807), (6269, 12924), (6462, 12538)]