156798158535

素因数分解:

$3^4\times 5^1\times {\mathrm{387155947}}^1$

素因数の和:387155964

約数の個数: 20

約数和(自身を含む): 281075218248

約数和(自身を除く): 124277059713

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387155947, 1161467841, 1935779735, 3484403523, 5807339205, 10453210569, 17422017615, 31359631707, 52266052845, 156798158535]

約数ペア:

[(1, 156798158535), (3, 52266052845), (5, 31359631707), (9, 17422017615), (15, 10453210569), (27, 5807339205), (45, 3484403523), (81, 1935779735), (135, 1161467841), (405, 387155947)]