248145855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{31391}}^1$

素因数の和:31447

約数の個数: 32

約数和(自身を含む): 433963008

約数和(自身を除く): 185817153

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 31391, 94173, 156955, 470865, 533647, 973121, 1600941, 2668235, 2919363, 4865605, 8004705, 14596815, 16543057, 49629171, 82715285, 248145855]

約数ペア:

[(1, 248145855), (3, 82715285), (5, 49629171), (15, 16543057), (17, 14596815), (31, 8004705), (51, 4865605), (85, 2919363), (93, 2668235), (155, 1600941), (255, 973121), (465, 533647), (527, 470865), (1581, 156955), (2635, 94173), (7905, 31391)]