27860517

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 44934560

約数和(自身を除く): 17074043

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 421, 513, 817, 1161, 1263, 1539, 2451, 3483, 3789, 7353, 7999, 11367, 18103, 22059, 23997, 34101, 54309, 66177, 71991, 162927, 215973, 343957, 488781, 647919, 1031871, 1466343, 3095613, 9286839, 27860517]

約数ペア:

[(1, 27860517), (3, 9286839), (9, 3095613), (19, 1466343), (27, 1031871), (43, 647919), (57, 488781), (81, 343957), (129, 215973), (171, 162927), (387, 71991), (421, 66177), (513, 54309), (817, 34101), (1161, 23997), (1263, 22059), (1539, 18103), (2451, 11367), (3483, 7999), (3789, 7353)]