78575265

素因数分解:

$3^6\times 5^1\times {\mathrm{21557}}^1$

素因数の和:21580

約数の個数: 28

約数和(自身を含む): 141377364

約数和(自身を除く): 62802099

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 21557, 64671, 107785, 194013, 323355, 582039, 970065, 1746117, 2910195, 5238351, 8730585, 15715053, 26191755, 78575265]

約数ペア:

[(1, 78575265), (3, 26191755), (5, 15715053), (9, 8730585), (15, 5238351), (27, 2910195), (45, 1746117), (81, 970065), (135, 582039), (243, 323355), (405, 194013), (729, 107785), (1215, 64671), (3645, 21557)]