978465

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 1685376

約数和(自身を除く): 706911

約数列:

[1, 3, 5, 15, 37, 41, 43, 111, 123, 129, 185, 205, 215, 555, 615, 645, 1517, 1591, 1763, 4551, 4773, 5289, 7585, 7955, 8815, 22755, 23865, 26445, 65231, 195693, 326155, 978465]

約数ペア:

[(1, 978465), (3, 326155), (5, 195693), (15, 65231), (37, 26445), (41, 23865), (43, 22755), (111, 8815), (123, 7955), (129, 7585), (185, 5289), (205, 4773), (215, 4551), (555, 1763), (615, 1591), (645, 1517)]