12685815

素因数分解:

$3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 23351328

約数和(自身を除く): 10665513

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 197, 243, 265, 405, 477, 591, 795, 985, 1215, 1431, 1773, 2385, 2955, 4293, 5319, 7155, 8865, 10441, 12879, 15957, 21465, 26595, 31323, 47871, 52205, 64395, 79785, 93969, 156615, 239355, 281907, 469845, 845721, 1409535, 2537163, 4228605, 12685815]

約数ペア:

[(1, 12685815), (3, 4228605), (5, 2537163), (9, 1409535), (15, 845721), (27, 469845), (45, 281907), (53, 239355), (81, 156615), (135, 93969), (159, 79785), (197, 64395), (243, 52205), (265, 47871), (405, 31323), (477, 26595), (591, 21465), (795, 15957), (985, 12879), (1215, 10441), (1431, 8865), (1773, 7155), (2385, 5319), (2955, 4293)]