12801315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 8487645

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 223, 267, 445, 645, 669, 1115, 1335, 3345, 3827, 9589, 11481, 19135, 19847, 28767, 47945, 57405, 59541, 99235, 143835, 297705, 853421, 2560263, 4267105, 12801315]

約数ペア:

[(1, 12801315), (3, 4267105), (5, 2560263), (15, 853421), (43, 297705), (89, 143835), (129, 99235), (215, 59541), (223, 57405), (267, 47945), (445, 28767), (645, 19847), (669, 19135), (1115, 11481), (1335, 9589), (3345, 3827)]