189440979

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40819}}^1$

素因数の和:40859

約数の個数: 32

約数和(自身を含む): 329172480

約数和(自身を除く): 139731501

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 40819, 122457, 285733, 530647, 693923, 857199, 1591941, 2081769, 3714529, 4857461, 9020999, 11143587, 14572383, 27062997, 63146993, 189440979]

約数ペア:

[(1, 189440979), (3, 63146993), (7, 27062997), (13, 14572383), (17, 11143587), (21, 9020999), (39, 4857461), (51, 3714529), (91, 2081769), (119, 1591941), (221, 857199), (273, 693923), (357, 530647), (663, 285733), (1547, 122457), (4641, 40819)]