718065

素因数分解:

$3^6\times 5^1\times {\mathrm{197}}^1$

素因数の和:220

約数の個数: 28

約数和(自身を含む): 1298484

約数和(自身を除く): 580419

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 243, 405, 591, 729, 985, 1215, 1773, 2955, 3645, 5319, 8865, 15957, 26595, 47871, 79785, 143613, 239355, 718065]

約数ペア:

[(1, 718065), (3, 239355), (5, 143613), (9, 79785), (15, 47871), (27, 26595), (45, 15957), (81, 8865), (135, 5319), (197, 3645), (243, 2955), (405, 1773), (591, 1215), (729, 985)]