309702123

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{15233}}^1$

素因数の和:15496

約数の個数: 20

約数和(自身を含む): 464515128

約数和(自身を除く): 154813005

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 15233, 20331, 45699, 137097, 411291, 1233873, 3823483, 11470449, 34411347, 103234041, 309702123]

約数ペア:

[(1, 309702123), (3, 103234041), (9, 34411347), (27, 11470449), (81, 3823483), (251, 1233873), (753, 411291), (2259, 137097), (6777, 45699), (15233, 20331)]