87647715

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 160617600

約数和(自身を除く): 72969885

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 705, 1305, 1363, 1429, 2115, 4089, 4287, 6815, 7145, 12267, 12861, 20445, 21435, 41441, 61335, 64305, 67163, 124323, 201489, 207205, 335815, 372969, 604467, 621615, 1007445, 1864845, 1947727, 3022335, 5843181, 9738635, 17529543, 29215905, 87647715]

約数ペア:

[(1, 87647715), (3, 29215905), (5, 17529543), (9, 9738635), (15, 5843181), (29, 3022335), (45, 1947727), (47, 1864845), (87, 1007445), (141, 621615), (145, 604467), (235, 372969), (261, 335815), (423, 207205), (435, 201489), (705, 124323), (1305, 67163), (1363, 64305), (1429, 61335), (2115, 41441), (4089, 21435), (4287, 20445), (6815, 12861), (7145, 12267)]