245811267

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{77813}}^1$

素因数の和:77841

約数の個数: 24

約数和(自身を含む): 396540144

約数和(自身を除く): 150728877

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 77813, 233439, 700317, 1011569, 2100951, 3034707, 6302853, 9104121, 18908559, 27312363, 81937089, 245811267]

約数ペア:

[(1, 245811267), (3, 81937089), (9, 27312363), (13, 18908559), (27, 9104121), (39, 6302853), (81, 3034707), (117, 2100951), (243, 1011569), (351, 700317), (1053, 233439), (3159, 77813)]