26380215

素因数分解:

$3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{743}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 20759625

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 263, 743, 789, 1315, 2229, 2367, 3715, 3945, 6687, 7101, 11145, 11835, 20061, 33435, 35505, 100305, 195409, 586227, 977045, 1758681, 2931135, 5276043, 8793405, 26380215]

約数ペア:

[(1, 26380215), (3, 8793405), (5, 5276043), (9, 2931135), (15, 1758681), (27, 977045), (45, 586227), (135, 195409), (263, 100305), (743, 35505), (789, 33435), (1315, 20061), (2229, 11835), (2367, 11145), (3715, 7101), (3945, 6687)]