221145759

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 347203584

約数和(自身を除く): 126057825

約数列:

[1, 3, 9, 23, 41, 69, 71, 123, 207, 213, 367, 369, 639, 943, 1101, 1633, 2829, 2911, 3303, 4899, 8441, 8487, 8733, 14697, 15047, 25323, 26057, 26199, 45141, 66953, 75969, 78171, 135423, 200859, 234513, 346081, 599311, 602577, 1038243, 1068337, 1797933, 3114729, 3205011, 5393799, 9615033, 24571751, 73715253, 221145759]

約数ペア:

[(1, 221145759), (3, 73715253), (9, 24571751), (23, 9615033), (41, 5393799), (69, 3205011), (71, 3114729), (123, 1797933), (207, 1068337), (213, 1038243), (367, 602577), (369, 599311), (639, 346081), (943, 234513), (1101, 200859), (1633, 135423), (2829, 78171), (2911, 75969), (3303, 66953), (4899, 45141), (8441, 26199), (8487, 26057), (8733, 25323), (14697, 15047)]