31078515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3391}}^1$

素因数の和:3459

約数の個数: 32

約数和(自身を含む): 54706176

約数和(自身を除く): 23627661

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 3391, 9165, 10173, 16955, 44083, 50865, 132249, 159377, 220415, 478131, 661245, 796885, 2071901, 2390655, 6215703, 10359505, 31078515]

約数ペア:

[(1, 31078515), (3, 10359505), (5, 6215703), (13, 2390655), (15, 2071901), (39, 796885), (47, 661245), (65, 478131), (141, 220415), (195, 159377), (235, 132249), (611, 50865), (705, 44083), (1833, 16955), (3055, 10173), (3391, 9165)]