388374495

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{9871}}^1$

素因数の和:9983

約数の個数: 32

約数和(自身を含む): 646339584

約数和(自身を除く): 257965089

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 645, 915, 2623, 7869, 9871, 13115, 29613, 39345, 49355, 148065, 424453, 602131, 1273359, 1806393, 2122265, 3010655, 6366795, 9031965, 25891633, 77674899, 129458165, 388374495]

約数ペア:

[(1, 388374495), (3, 129458165), (5, 77674899), (15, 25891633), (43, 9031965), (61, 6366795), (129, 3010655), (183, 2122265), (215, 1806393), (305, 1273359), (645, 602131), (915, 424453), (2623, 148065), (7869, 49355), (9871, 39345), (13115, 29613)]