30987285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1483}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 56985600

約数和(自身を除く): 25998315

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1393, 1483, 2985, 4179, 4449, 6965, 7415, 10381, 20895, 22245, 31143, 51905, 155715, 295117, 885351, 1475585, 2065819, 4426755, 6197457, 10329095, 30987285]

約数ペア:

[(1, 30987285), (3, 10329095), (5, 6197457), (7, 4426755), (15, 2065819), (21, 1475585), (35, 885351), (105, 295117), (199, 155715), (597, 51905), (995, 31143), (1393, 22245), (1483, 20895), (2985, 10381), (4179, 7415), (4449, 6965)]