81563949

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 123468800

約数和(自身を除く): 41904851

約数列:

[1, 3, 9, 27, 103, 139, 211, 309, 417, 633, 927, 1251, 1899, 2781, 3753, 5697, 14317, 21733, 29329, 42951, 65199, 87987, 128853, 195597, 263961, 386559, 586791, 791883, 3020887, 9062661, 27187983, 81563949]

約数ペア:

[(1, 81563949), (3, 27187983), (9, 9062661), (27, 3020887), (103, 791883), (139, 586791), (211, 386559), (309, 263961), (417, 195597), (633, 128853), (927, 87987), (1251, 65199), (1899, 42951), (2781, 29329), (3753, 21733), (5697, 14317)]