15261393

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 26002944

約数和(自身を除く): 10741551

約数列:

[1, 3, 7, 17, 21, 31, 49, 51, 93, 119, 147, 197, 217, 357, 527, 591, 651, 833, 1379, 1519, 1581, 2499, 3349, 3689, 4137, 4557, 6107, 9653, 10047, 11067, 18321, 23443, 25823, 28959, 42749, 70329, 77469, 103819, 128247, 164101, 299243, 311457, 492303, 726733, 897729, 2180199, 5087131, 15261393]

約数ペア:

[(1, 15261393), (3, 5087131), (7, 2180199), (17, 897729), (21, 726733), (31, 492303), (49, 311457), (51, 299243), (93, 164101), (119, 128247), (147, 103819), (197, 77469), (217, 70329), (357, 42749), (527, 28959), (591, 25823), (651, 23443), (833, 18321), (1379, 11067), (1519, 10047), (1581, 9653), (2499, 6107), (3349, 4557), (3689, 4137)]