278712738

素因数分解:

$2^1\times 3^6\times {\mathrm{191161}}^1$

素因数の和:191181

約数の個数: 28

約数和(自身を含む): 626820198

約数和(自身を除く): 348107460

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 191161, 382322, 573483, 1146966, 1720449, 3440898, 5161347, 10322694, 15484041, 30968082, 46452123, 92904246, 139356369, 278712738]

約数ペア:

[(1, 278712738), (2, 139356369), (3, 92904246), (6, 46452123), (9, 30968082), (18, 15484041), (27, 10322694), (54, 5161347), (81, 3440898), (162, 1720449), (243, 1146966), (486, 573483), (729, 382322), (1458, 191161)]