199310517

素因数分解:

$3^3\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1427}}^1$

素因数の和:2182

約数の個数: 32

約数和(自身を含む): 338150400

約数和(自身を除く): 138839883

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 739, 1427, 2217, 4281, 5173, 6651, 9989, 12843, 15519, 19953, 29967, 38529, 46557, 89901, 139671, 269703, 1054553, 3163659, 7381871, 9490977, 22145613, 28472931, 66436839, 199310517]

約数ペア:

[(1, 199310517), (3, 66436839), (7, 28472931), (9, 22145613), (21, 9490977), (27, 7381871), (63, 3163659), (189, 1054553), (739, 269703), (1427, 139671), (2217, 89901), (4281, 46557), (5173, 38529), (6651, 29967), (9989, 19953), (12843, 15519)]