7898961

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 12607488

約数和(自身を除く): 4708527

約数列:

[1, 3, 7, 21, 47, 53, 141, 151, 159, 329, 371, 453, 987, 1057, 1113, 2491, 3171, 7097, 7473, 8003, 17437, 21291, 24009, 49679, 52311, 56021, 149037, 168063, 376141, 1128423, 2632987, 7898961]

約数ペア:

[(1, 7898961), (3, 2632987), (7, 1128423), (21, 376141), (47, 168063), (53, 149037), (141, 56021), (151, 52311), (159, 49679), (329, 24009), (371, 21291), (453, 17437), (987, 8003), (1057, 7473), (1113, 7097), (2491, 3171)]