7213245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 12628224

約数和(自身を除く): 5414979

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 521, 923, 1065, 1563, 2605, 2769, 4615, 6773, 7815, 13845, 20319, 33865, 36991, 101595, 110973, 184955, 480883, 554865, 1442649, 2404415, 7213245]

約数ペア:

[(1, 7213245), (3, 2404415), (5, 1442649), (13, 554865), (15, 480883), (39, 184955), (65, 110973), (71, 101595), (195, 36991), (213, 33865), (355, 20319), (521, 13845), (923, 7815), (1065, 6773), (1563, 4615), (2605, 2769)]