291201495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{24481}}^1$

素因数の和:24563

約数の個数: 32

約数和(自身を含む): 510009024

約数和(自身を除く): 218807529

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 11895, 24481, 73443, 122405, 318253, 367215, 954759, 1493341, 1591265, 4480023, 4773795, 7466705, 19413433, 22400115, 58240299, 97067165, 291201495]

約数ペア:

[(1, 291201495), (3, 97067165), (5, 58240299), (13, 22400115), (15, 19413433), (39, 7466705), (61, 4773795), (65, 4480023), (183, 1591265), (195, 1493341), (305, 954759), (793, 367215), (915, 318253), (2379, 122405), (3965, 73443), (11895, 24481)]