30025809

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 20293551

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 239, 243, 297, 423, 517, 717, 891, 1269, 1551, 2151, 2629, 2673, 3807, 4653, 6453, 7887, 11233, 11421, 13959, 19359, 23661, 33699, 41877, 58077, 70983, 101097, 123563, 125631, 212949, 303291, 370689, 638847, 909873, 1112067, 2729619, 3336201, 10008603, 30025809]

約数ペア:

[(1, 30025809), (3, 10008603), (9, 3336201), (11, 2729619), (27, 1112067), (33, 909873), (47, 638847), (81, 370689), (99, 303291), (141, 212949), (239, 125631), (243, 123563), (297, 101097), (423, 70983), (517, 58077), (717, 41877), (891, 33699), (1269, 23661), (1551, 19359), (2151, 13959), (2629, 11421), (2673, 11233), (3807, 7887), (4653, 6453)]