81961272

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{36721}}^1$

素因数の和:36764

約数の個数: 48

約数和(自身を含む): 229145280

約数和(自身を除く): 147184008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 36721, 73442, 110163, 146884, 220326, 293768, 330489, 440652, 660978, 881304, 1138351, 1321956, 2276702, 2643912, 3415053, 4553404, 6830106, 9106808, 10245159, 13660212, 20490318, 27320424, 40980636, 81961272]

約数ペア:

[(1, 81961272), (2, 40980636), (3, 27320424), (4, 20490318), (6, 13660212), (8, 10245159), (9, 9106808), (12, 6830106), (18, 4553404), (24, 3415053), (31, 2643912), (36, 2276702), (62, 1321956), (72, 1138351), (93, 881304), (124, 660978), (186, 440652), (248, 330489), (279, 293768), (372, 220326), (558, 146884), (744, 110163), (1116, 73442), (2232, 36721)]