81923076

素因数分解:

$2^2\times 3^5\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 217395360

約数和(自身を除く): 135472284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 243, 267, 324, 356, 486, 534, 801, 947, 972, 1068, 1602, 1894, 2403, 2841, 3204, 3788, 4806, 5682, 7209, 8523, 9612, 11364, 14418, 17046, 21627, 25569, 28836, 34092, 43254, 51138, 76707, 84283, 86508, 102276, 153414, 168566, 230121, 252849, 306828, 337132, 460242, 505698, 758547, 920484, 1011396, 1517094, 2275641, 3034188, 4551282, 6826923, 9102564, 13653846, 20480769, 27307692, 40961538, 81923076]

約数ペア:

[(1, 81923076), (2, 40961538), (3, 27307692), (4, 20480769), (6, 13653846), (9, 9102564), (12, 6826923), (18, 4551282), (27, 3034188), (36, 2275641), (54, 1517094), (81, 1011396), (89, 920484), (108, 758547), (162, 505698), (178, 460242), (243, 337132), (267, 306828), (324, 252849), (356, 230121), (486, 168566), (534, 153414), (801, 102276), (947, 86508), (972, 84283), (1068, 76707), (1602, 51138), (1894, 43254), (2403, 34092), (2841, 28836), (3204, 25569), (3788, 21627), (4806, 17046), (5682, 14418), (7209, 11364), (8523, 9612)]