38403945

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 30785175

約数列:

[1, 3, 5, 9, 15, 43, 45, 89, 129, 215, 223, 267, 387, 445, 645, 669, 801, 1115, 1335, 1935, 2007, 3345, 3827, 4005, 9589, 10035, 11481, 19135, 19847, 28767, 34443, 47945, 57405, 59541, 86301, 99235, 143835, 172215, 178623, 297705, 431505, 853421, 893115, 2560263, 4267105, 7680789, 12801315, 38403945]

約数ペア:

[(1, 38403945), (3, 12801315), (5, 7680789), (9, 4267105), (15, 2560263), (43, 893115), (45, 853421), (89, 431505), (129, 297705), (215, 178623), (223, 172215), (267, 143835), (387, 99235), (445, 86301), (645, 59541), (669, 57405), (801, 47945), (1115, 34443), (1335, 28767), (1935, 19847), (2007, 19135), (3345, 11481), (3827, 10035), (4005, 9589)]