242783751

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{1153}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 381687808

約数和(自身を除く): 138904057

約数列:

[1, 3, 7, 21, 37, 111, 259, 271, 777, 813, 1153, 1897, 3459, 5691, 8071, 10027, 24213, 30081, 42661, 70189, 127983, 210567, 298627, 312463, 895881, 937389, 2187241, 6561723, 11561131, 34683393, 80927917, 242783751]

約数ペア:

[(1, 242783751), (3, 80927917), (7, 34683393), (21, 11561131), (37, 6561723), (111, 2187241), (259, 937389), (271, 895881), (777, 312463), (813, 298627), (1153, 210567), (1897, 127983), (3459, 70189), (5691, 42661), (8071, 30081), (10027, 24213)]