81454065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 82775055

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 109, 165, 231, 327, 385, 545, 647, 763, 1155, 1199, 1635, 1941, 2289, 3235, 3597, 3815, 4529, 5995, 7117, 8393, 9705, 11445, 13587, 17985, 21351, 22645, 25179, 35585, 41965, 49819, 67935, 70523, 106755, 125895, 149457, 211569, 249095, 352615, 493661, 747285, 775753, 1057845, 1480983, 2327259, 2468305, 3878765, 5430271, 7404915, 11636295, 16290813, 27151355, 81454065]

約数ペア:

[(1, 81454065), (3, 27151355), (5, 16290813), (7, 11636295), (11, 7404915), (15, 5430271), (21, 3878765), (33, 2468305), (35, 2327259), (55, 1480983), (77, 1057845), (105, 775753), (109, 747285), (165, 493661), (231, 352615), (327, 249095), (385, 211569), (545, 149457), (647, 125895), (763, 106755), (1155, 70523), (1199, 67935), (1635, 49819), (1941, 41965), (2289, 35585), (3235, 25179), (3597, 22645), (3815, 21351), (4529, 17985), (5995, 13587), (7117, 11445), (8393, 9705)]