128528505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3163}}^1$

素因数の和:3227

約数の個数: 64

約数和(自身を含む): 267294720

約数和(自身を除く): 138766215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 387, 645, 903, 945, 1161, 1505, 1935, 2709, 3163, 4515, 5805, 8127, 9489, 13545, 15815, 22141, 28467, 40635, 47445, 66423, 85401, 110705, 136009, 142335, 199269, 332115, 408027, 427005, 597807, 680045, 952063, 996345, 1224081, 2040135, 2856189, 2989035, 3672243, 4760315, 6120405, 8568567, 14280945, 18361215, 25705701, 42842835, 128528505]

約数ペア:

[(1, 128528505), (3, 42842835), (5, 25705701), (7, 18361215), (9, 14280945), (15, 8568567), (21, 6120405), (27, 4760315), (35, 3672243), (43, 2989035), (45, 2856189), (63, 2040135), (105, 1224081), (129, 996345), (135, 952063), (189, 680045), (215, 597807), (301, 427005), (315, 408027), (387, 332115), (645, 199269), (903, 142335), (945, 136009), (1161, 110705), (1505, 85401), (1935, 66423), (2709, 47445), (3163, 40635), (4515, 28467), (5805, 22141), (8127, 15815), (9489, 13545)]