40981311

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17581}}^1$

素因数の和:17631

約数の個数: 24

約数和(自身を含む): 69484064

約数和(自身を除く): 28502753

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 17581, 52743, 123067, 158229, 369201, 650497, 1107603, 1951491, 4553479, 5854473, 13660437, 40981311]

約数ペア:

[(1, 40981311), (3, 13660437), (7, 5854473), (9, 4553479), (21, 1951491), (37, 1107603), (63, 650497), (111, 369201), (259, 158229), (333, 123067), (777, 52743), (2331, 17581)]