15115905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 30610944

約数和(自身を除く): 15495039

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1021, 1645, 2115, 2961, 3063, 4935, 5105, 7147, 9189, 14805, 15315, 21441, 35735, 45945, 47987, 64323, 107205, 143961, 239935, 321615, 335909, 431883, 719805, 1007727, 1679545, 2159415, 3023181, 5038635, 15115905]

約数ペア:

[(1, 15115905), (3, 5038635), (5, 3023181), (7, 2159415), (9, 1679545), (15, 1007727), (21, 719805), (35, 431883), (45, 335909), (47, 321615), (63, 239935), (105, 143961), (141, 107205), (235, 64323), (315, 47987), (329, 45945), (423, 35735), (705, 21441), (987, 15315), (1021, 14805), (1645, 9189), (2115, 7147), (2961, 5105), (3063, 4935)]