68976495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1621

約数の個数: 64

約数和(自身を含む): 143216640

約数和(自身を除く): 74240145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 105, 135, 141, 189, 235, 315, 329, 423, 705, 945, 987, 1269, 1553, 1645, 2115, 2961, 4659, 4935, 6345, 7765, 8883, 10871, 13977, 14805, 23295, 32613, 41931, 44415, 54355, 69885, 72991, 97839, 163065, 209655, 218973, 293517, 364955, 489195, 510937, 656919, 1094865, 1467585, 1532811, 1970757, 2554685, 3284595, 4598433, 7664055, 9853785, 13795299, 22992165, 68976495]

約数ペア:

[(1, 68976495), (3, 22992165), (5, 13795299), (7, 9853785), (9, 7664055), (15, 4598433), (21, 3284595), (27, 2554685), (35, 1970757), (45, 1532811), (47, 1467585), (63, 1094865), (105, 656919), (135, 510937), (141, 489195), (189, 364955), (235, 293517), (315, 218973), (329, 209655), (423, 163065), (705, 97839), (945, 72991), (987, 69885), (1269, 54355), (1553, 44415), (1645, 41931), (2115, 32613), (2961, 23295), (4659, 14805), (4935, 13977), (6345, 10871), (7765, 8883)]