28851963

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 45330432

約数和(自身を除く): 16478469

約数列:

[1, 3, 7, 21, 61, 101, 183, 223, 303, 427, 669, 707, 1281, 1561, 2121, 4683, 6161, 13603, 18483, 22523, 40809, 43127, 67569, 95221, 129381, 157661, 285663, 472983, 1373903, 4121709, 9617321, 28851963]

約数ペア:

[(1, 28851963), (3, 9617321), (7, 4121709), (21, 1373903), (61, 472983), (101, 285663), (183, 157661), (223, 129381), (303, 95221), (427, 67569), (669, 43127), (707, 40809), (1281, 22523), (1561, 18483), (2121, 13603), (4683, 6161)]