971513985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{262217}}^1$

素因数の和:262257

約数の個数: 32

約数和(自身を含む): 1762104960

約数和(自身を除く): 790590975

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 262217, 786651, 1311085, 3408821, 3933255, 4982123, 10226463, 14946369, 17044105, 24910615, 51132315, 64767599, 74731845, 194302797, 323837995, 971513985]

約数ペア:

[(1, 971513985), (3, 323837995), (5, 194302797), (13, 74731845), (15, 64767599), (19, 51132315), (39, 24910615), (57, 17044105), (65, 14946369), (95, 10226463), (195, 4982123), (247, 3933255), (285, 3408821), (741, 1311085), (1235, 786651), (3705, 262217)]