748287

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 1160640

約数和(自身を除く): 412353

約数列:

[1, 3, 9, 29, 47, 61, 87, 141, 183, 261, 423, 549, 1363, 1769, 2867, 4089, 5307, 8601, 12267, 15921, 25803, 83143, 249429, 748287]

約数ペア:

[(1, 748287), (3, 249429), (9, 83143), (29, 25803), (47, 15921), (61, 12267), (87, 8601), (141, 5307), (183, 4089), (261, 2867), (423, 1769), (549, 1363)]