25977231

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 18838449

約数列:

[1, 3, 7, 9, 21, 41, 63, 89, 113, 123, 267, 287, 339, 369, 623, 791, 801, 861, 1017, 1869, 2373, 2583, 3649, 4633, 5607, 7119, 10057, 10947, 13899, 25543, 30171, 32431, 32841, 41697, 70399, 76629, 90513, 97293, 211197, 229887, 291879, 412337, 633591, 1237011, 2886359, 3711033, 8659077, 25977231]

約数ペア:

[(1, 25977231), (3, 8659077), (7, 3711033), (9, 2886359), (21, 1237011), (41, 633591), (63, 412337), (89, 291879), (113, 229887), (123, 211197), (267, 97293), (287, 90513), (339, 76629), (369, 70399), (623, 41697), (791, 32841), (801, 32431), (861, 30171), (1017, 25543), (1869, 13899), (2373, 10947), (2583, 10057), (3649, 7119), (4633, 5607)]