13199787

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 20471360

約数和(自身を除く): 7271573

約数列:

[1, 3, 9, 27, 37, 73, 111, 181, 219, 333, 543, 657, 999, 1629, 1971, 2701, 4887, 6697, 8103, 13213, 20091, 24309, 39639, 60273, 72927, 118917, 180819, 356751, 488881, 1466643, 4399929, 13199787]

約数ペア:

[(1, 13199787), (3, 4399929), (9, 1466643), (27, 488881), (37, 356751), (73, 180819), (111, 118917), (181, 72927), (219, 60273), (333, 39639), (543, 24309), (657, 20091), (999, 13213), (1629, 8103), (1971, 6697), (2701, 4887)]