31777215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2593}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 54785280

約数和(自身を除く): 23008065

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 2593, 4085, 7779, 12255, 12965, 38895, 49267, 111499, 147801, 246335, 334497, 557495, 739005, 1672485, 2118481, 6355443, 10592405, 31777215]

約数ペア:

[(1, 31777215), (3, 10592405), (5, 6355443), (15, 2118481), (19, 1672485), (43, 739005), (57, 557495), (95, 334497), (129, 246335), (215, 147801), (285, 111499), (645, 49267), (817, 38895), (2451, 12965), (2593, 12255), (4085, 7779)]