12916575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 27081600

約数和(自身を除く): 14165025

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 59, 63, 75, 105, 139, 175, 177, 225, 295, 315, 413, 417, 525, 531, 695, 885, 973, 1239, 1251, 1475, 1575, 2065, 2085, 2655, 2919, 3475, 3717, 4425, 4865, 6195, 6255, 8201, 8757, 10325, 10425, 13275, 14595, 18585, 24325, 24603, 30975, 31275, 41005, 43785, 57407, 72975, 73809, 92925, 123015, 172221, 205025, 218925, 287035, 369045, 516663, 615075, 861105, 1435175, 1845225, 2583315, 4305525, 12916575]

約数ペア:

[(1, 12916575), (3, 4305525), (5, 2583315), (7, 1845225), (9, 1435175), (15, 861105), (21, 615075), (25, 516663), (35, 369045), (45, 287035), (59, 218925), (63, 205025), (75, 172221), (105, 123015), (139, 92925), (175, 73809), (177, 72975), (225, 57407), (295, 43785), (315, 41005), (413, 31275), (417, 30975), (525, 24603), (531, 24325), (695, 18585), (885, 14595), (973, 13275), (1239, 10425), (1251, 10325), (1475, 8757), (1575, 8201), (2065, 6255), (2085, 6195), (2655, 4865), (2919, 4425), (3475, 3717)]