28797909

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 46295040

約数和(自身を除く): 17497131

約数列:

[1, 3, 7, 21, 23, 69, 109, 161, 327, 483, 547, 763, 1641, 2289, 2507, 3829, 7521, 11487, 12581, 17549, 37743, 52647, 59623, 88067, 178869, 264201, 417361, 1252083, 1371329, 4113987, 9599303, 28797909]

約数ペア:

[(1, 28797909), (3, 9599303), (7, 4113987), (21, 1371329), (23, 1252083), (69, 417361), (109, 264201), (161, 178869), (327, 88067), (483, 59623), (547, 52647), (763, 37743), (1641, 17549), (2289, 12581), (2507, 11487), (3829, 7521)]