31485045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 52918272

約数和(自身を除く): 21433227

約数列:

[1, 3, 5, 15, 23, 69, 115, 263, 345, 347, 789, 1041, 1315, 1735, 3945, 5205, 6049, 7981, 18147, 23943, 30245, 39905, 90735, 91261, 119715, 273783, 456305, 1368915, 2099003, 6297009, 10495015, 31485045]

約数ペア:

[(1, 31485045), (3, 10495015), (5, 6297009), (15, 2099003), (23, 1368915), (69, 456305), (115, 273783), (263, 119715), (345, 91261), (347, 90735), (789, 39905), (1041, 30245), (1315, 23943), (1735, 18147), (3945, 7981), (5205, 6049)]