686287869

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{739}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 981488640

約数和(自身を除く): 295200771

約数列:

[1, 3, 23, 43, 69, 129, 313, 739, 939, 989, 2217, 2967, 7199, 13459, 16997, 21597, 31777, 40377, 50991, 95331, 231307, 309557, 693921, 730871, 928671, 2192613, 5320061, 9946201, 15960183, 29838603, 228762623, 686287869]

約数ペア:

[(1, 686287869), (3, 228762623), (23, 29838603), (43, 15960183), (69, 9946201), (129, 5320061), (313, 2192613), (739, 928671), (939, 730871), (989, 693921), (2217, 309557), (2967, 231307), (7199, 95331), (13459, 50991), (16997, 40377), (21597, 31777)]