81547635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{773}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 140954688

約数和(自身を除く): 59407053

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 541, 773, 1623, 2319, 2705, 3865, 7033, 8115, 10049, 11595, 21099, 30147, 35165, 50245, 105495, 150735, 418193, 1254579, 2090965, 5436509, 6272895, 16309527, 27182545, 81547635]

約数ペア:

[(1, 81547635), (3, 27182545), (5, 16309527), (13, 6272895), (15, 5436509), (39, 2090965), (65, 1254579), (195, 418193), (541, 150735), (773, 105495), (1623, 50245), (2319, 35165), (2705, 30147), (3865, 21099), (7033, 11595), (8115, 10049)]