245014917

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2309}}^1$

素因数の和:2513

約数の個数: 32

約数和(自身を含む): 387932160

約数和(自身を除く): 142917243

約数列:

[1, 3, 7, 21, 31, 93, 163, 217, 489, 651, 1141, 2309, 3423, 5053, 6927, 15159, 16163, 35371, 48489, 71579, 106113, 214737, 376367, 501053, 1129101, 1503159, 2634569, 7903707, 11667377, 35002131, 81671639, 245014917]

約数ペア:

[(1, 245014917), (3, 81671639), (7, 35002131), (21, 11667377), (31, 7903707), (93, 2634569), (163, 1503159), (217, 1129101), (489, 501053), (651, 376367), (1141, 214737), (2309, 106113), (3423, 71579), (5053, 48489), (6927, 35371), (15159, 16163)]