1225665

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1297}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 2492160

約数和(自身を除く): 1266495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1297, 3891, 6485, 9079, 11673, 19455, 27237, 35019, 45395, 58365, 81711, 136185, 175095, 245133, 408555, 1225665]

約数ペア:

[(1, 1225665), (3, 408555), (5, 245133), (7, 175095), (9, 136185), (15, 81711), (21, 58365), (27, 45395), (35, 35019), (45, 27237), (63, 19455), (105, 11673), (135, 9079), (189, 6485), (315, 3891), (945, 1297)]