1976971779

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{47951}}^1$

素因数の和:48472

約数の個数: 20

約数和(自身を含む): 2959117920

約数和(自身を除く): 982146141

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4581, 13743, 41229, 47951, 143853, 431559, 1294677, 3884031, 24407059, 73221177, 219663531, 658990593, 1976971779]

約数ペア:

[(1, 1976971779), (3, 658990593), (9, 219663531), (27, 73221177), (81, 24407059), (509, 3884031), (1527, 1294677), (4581, 431559), (13743, 143853), (41229, 47951)]