291277917

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6911}}^1$

素因数の和:7150

約数の個数: 32

約数和(自身を含む): 495452160

約数和(自身を除く): 204174243

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 669, 1561, 2007, 4683, 6021, 6911, 14049, 20733, 42147, 48377, 62199, 145131, 186597, 435393, 1306179, 1541153, 4623459, 10788071, 13870377, 32364213, 41611131, 97092639, 291277917]

約数ペア:

[(1, 291277917), (3, 97092639), (7, 41611131), (9, 32364213), (21, 13870377), (27, 10788071), (63, 4623459), (189, 1541153), (223, 1306179), (669, 435393), (1561, 186597), (2007, 145131), (4683, 62199), (6021, 48377), (6911, 42147), (14049, 20733)]