71397975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2339}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 132312960

約数和(自身を除く): 60914985

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 275, 407, 555, 825, 925, 1221, 2035, 2339, 2775, 6105, 7017, 10175, 11695, 25729, 30525, 35085, 58475, 77187, 86543, 128645, 175425, 259629, 385935, 432715, 643225, 951973, 1298145, 1929675, 2163575, 2855919, 4759865, 6490725, 14279595, 23799325, 71397975]

約数ペア:

[(1, 71397975), (3, 23799325), (5, 14279595), (11, 6490725), (15, 4759865), (25, 2855919), (33, 2163575), (37, 1929675), (55, 1298145), (75, 951973), (111, 643225), (165, 432715), (185, 385935), (275, 259629), (407, 175425), (555, 128645), (825, 86543), (925, 77187), (1221, 58475), (2035, 35085), (2339, 30525), (2775, 25729), (6105, 11695), (7017, 10175)]