397013955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 692179200

約数和(自身を除く): 295165245

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 199, 507, 597, 787, 845, 995, 2361, 2535, 2587, 2985, 3935, 7761, 10231, 11805, 12935, 30693, 33631, 38805, 51155, 100893, 133003, 153465, 156613, 168155, 399009, 469839, 504465, 665015, 783065, 1995045, 2035969, 2349195, 6107907, 10179845, 26467597, 30539535, 79402791, 132337985, 397013955]

約数ペア:

[(1, 397013955), (3, 132337985), (5, 79402791), (13, 30539535), (15, 26467597), (39, 10179845), (65, 6107907), (169, 2349195), (195, 2035969), (199, 1995045), (507, 783065), (597, 665015), (787, 504465), (845, 469839), (995, 399009), (2361, 168155), (2535, 156613), (2587, 153465), (2985, 133003), (3935, 100893), (7761, 51155), (10231, 38805), (11805, 33631), (12935, 30693)]