81908267

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 103265280

約数和(自身を除く): 21357013

約数列:

[1, 7, 23, 29, 53, 161, 203, 331, 371, 667, 1219, 1537, 2317, 4669, 7613, 8533, 9599, 10759, 17543, 35351, 53291, 67193, 122801, 220777, 247457, 403489, 508747, 1545439, 2824423, 3561229, 11701181, 81908267]

約数ペア:

[(1, 81908267), (7, 11701181), (23, 3561229), (29, 2824423), (53, 1545439), (161, 508747), (203, 403489), (331, 247457), (371, 220777), (667, 122801), (1219, 67193), (1537, 53291), (2317, 35351), (4669, 17543), (7613, 10759), (8533, 9599)]