13506891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 20528640

約数和(自身を除く): 7021749

約数列:

[1, 3, 17, 19, 51, 53, 57, 159, 263, 323, 789, 901, 969, 1007, 2703, 3021, 4471, 4997, 13413, 13939, 14991, 17119, 41817, 51357, 84949, 236963, 254847, 264841, 710889, 794523, 4502297, 13506891]

約数ペア:

[(1, 13506891), (3, 4502297), (17, 794523), (19, 710889), (51, 264841), (53, 254847), (57, 236963), (159, 84949), (263, 51357), (323, 41817), (789, 17119), (901, 14991), (969, 13939), (1007, 13413), (2703, 4997), (3021, 4471)]