388761495

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 647678592

約数和(自身を除く): 258917097

約数列:

[1, 3, 5, 15, 43, 107, 129, 131, 215, 321, 393, 535, 645, 655, 1605, 1849, 1965, 4601, 5547, 5633, 9245, 13803, 14017, 16899, 23005, 27735, 28165, 42051, 69015, 70085, 84495, 197843, 210255, 242219, 593529, 602731, 726657, 989215, 1211095, 1808193, 2967645, 3013655, 3633285, 9040965, 25917433, 77752299, 129587165, 388761495]

約数ペア:

[(1, 388761495), (3, 129587165), (5, 77752299), (15, 25917433), (43, 9040965), (107, 3633285), (129, 3013655), (131, 2967645), (215, 1808193), (321, 1211095), (393, 989215), (535, 726657), (645, 602731), (655, 593529), (1605, 242219), (1849, 210255), (1965, 197843), (4601, 84495), (5547, 70085), (5633, 69015), (9245, 42051), (13803, 28165), (14017, 27735), (16899, 23005)]