261659085

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{797}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 429770880

約数和(自身を除く): 168111795

約数列:

[1, 3, 5, 15, 43, 129, 215, 509, 645, 797, 1527, 2391, 2545, 3985, 7635, 11955, 21887, 34271, 65661, 102813, 109435, 171355, 328305, 405673, 514065, 1217019, 2028365, 6085095, 17443939, 52331817, 87219695, 261659085]

約数ペア:

[(1, 261659085), (3, 87219695), (5, 52331817), (15, 17443939), (43, 6085095), (129, 2028365), (215, 1217019), (509, 514065), (645, 405673), (797, 328305), (1527, 171355), (2391, 109435), (2545, 102813), (3985, 65661), (7635, 34271), (11955, 21887)]