138730809

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{4649}}^1$

素因数の和:4702

約数の個数: 32

約数和(自身を含む): 223200000

約数和(自身を除く): 84469191

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 1029, 1421, 4263, 4649, 9947, 13947, 29841, 32543, 97629, 134821, 227801, 404463, 683403, 943747, 1594607, 2831241, 4783821, 6606229, 19818687, 46243603, 138730809]

約数ペア:

[(1, 138730809), (3, 46243603), (7, 19818687), (21, 6606229), (29, 4783821), (49, 2831241), (87, 1594607), (147, 943747), (203, 683403), (343, 404463), (609, 227801), (1029, 134821), (1421, 97629), (4263, 32543), (4649, 29841), (9947, 13947)]