28551447

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{5261}}^1$

素因数の和:5340

約数の個数: 20

約数和(自身を含む): 43295736

約数和(自身を除く): 14744289

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5261, 5427, 15783, 47349, 142047, 352487, 426141, 1057461, 3172383, 9517149, 28551447]

約数ペア:

[(1, 28551447), (3, 9517149), (9, 3172383), (27, 1057461), (67, 426141), (81, 352487), (201, 142047), (603, 47349), (1809, 15783), (5261, 5427)]