208442979

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1\times {\mathrm{863}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 308385792

約数和(自身を除く): 99942813

約数列:

[1, 3, 9, 47, 141, 423, 571, 863, 1713, 2589, 5139, 7767, 26837, 40561, 80511, 121683, 241533, 365049, 492773, 1478319, 4434957, 23160331, 69480993, 208442979]

約数ペア:

[(1, 208442979), (3, 69480993), (9, 23160331), (47, 4434957), (141, 1478319), (423, 492773), (571, 365049), (863, 241533), (1713, 121683), (2589, 80511), (5139, 40561), (7767, 26837)]