338985

素因数分解:

$3^7\times 5^1\times {\mathrm{31}}^1$

素因数の和:57

約数の個数: 32

約数和(自身を含む): 629760

約数和(自身を除く): 290775

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 729, 837, 1215, 1395, 2187, 2511, 3645, 4185, 7533, 10935, 12555, 22599, 37665, 67797, 112995, 338985]

約数ペア:

[(1, 338985), (3, 112995), (5, 67797), (9, 37665), (15, 22599), (27, 12555), (31, 10935), (45, 7533), (81, 4185), (93, 3645), (135, 2511), (155, 2187), (243, 1395), (279, 1215), (405, 837), (465, 729)]