518321193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{727}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 756817152

約数和(自身を除く): 238495959

約数列:

[1, 3, 13, 39, 101, 181, 303, 543, 727, 1313, 2181, 2353, 3939, 7059, 9451, 18281, 28353, 54843, 73427, 131587, 220281, 237653, 394761, 712959, 954551, 1710631, 2863653, 5131893, 13290287, 39870861, 172773731, 518321193]

約数ペア:

[(1, 518321193), (3, 172773731), (13, 39870861), (39, 13290287), (101, 5131893), (181, 2863653), (303, 1710631), (543, 954551), (727, 712959), (1313, 394761), (2181, 237653), (2353, 220281), (3939, 131587), (7059, 73427), (9451, 54843), (18281, 28353)]