2121569331

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1\times {\mathrm{2657}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 3306977280

約数和(自身を除く): 1185407949

約数列:

[1, 3, 7, 21, 47, 141, 329, 809, 987, 2427, 2657, 5663, 7971, 16989, 18599, 38023, 55797, 114069, 124879, 266161, 374637, 798483, 874153, 2149513, 2622459, 6448539, 15046591, 45139773, 101027111, 303081333, 707189777, 2121569331]

約数ペア:

[(1, 2121569331), (3, 707189777), (7, 303081333), (21, 101027111), (47, 45139773), (141, 15046591), (329, 6448539), (809, 2622459), (987, 2149513), (2427, 874153), (2657, 798483), (5663, 374637), (7971, 266161), (16989, 124879), (18599, 114069), (38023, 55797)]