27821391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 13546929

約数列:

[1, 3, 13, 39, 59, 107, 113, 177, 321, 339, 767, 1391, 1469, 2301, 4173, 4407, 6313, 6667, 12091, 18939, 20001, 36273, 82069, 86671, 157183, 246207, 260013, 471549, 713369, 2140107, 9273797, 27821391]

約数ペア:

[(1, 27821391), (3, 9273797), (13, 2140107), (39, 713369), (59, 471549), (107, 260013), (113, 246207), (177, 157183), (321, 86671), (339, 82069), (767, 36273), (1391, 20001), (1469, 18939), (2301, 12091), (4173, 6667), (4407, 6313)]