1921455

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 3505920

約数和(自身を除く): 1584465

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 331, 387, 645, 993, 1161, 1655, 1935, 2979, 4965, 5805, 8937, 14233, 14895, 42699, 44685, 71165, 128097, 213495, 384291, 640485, 1921455]

約数ペア:

[(1, 1921455), (3, 640485), (5, 384291), (9, 213495), (15, 128097), (27, 71165), (43, 44685), (45, 42699), (129, 14895), (135, 14233), (215, 8937), (331, 5805), (387, 4965), (645, 2979), (993, 1935), (1161, 1655)]