289263321

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{491}}^1\times {\mathrm{977}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 425359584

約数和(自身を除く): 136096263

約数列:

[1, 3, 9, 67, 201, 491, 603, 977, 1473, 2931, 4419, 8793, 32897, 65459, 98691, 196377, 296073, 479707, 589131, 1439121, 4317363, 32140369, 96421107, 289263321]

約数ペア:

[(1, 289263321), (3, 96421107), (9, 32140369), (67, 4317363), (201, 1439121), (491, 589131), (603, 479707), (977, 296073), (1473, 196377), (2931, 98691), (4419, 65459), (8793, 32897)]