64871289

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{35507}}^1$

素因数の和:35549

約数の個数: 24

約数和(自身を含む): 110784960

約数和(自身を除く): 45913671

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 35507, 106521, 248549, 319563, 745647, 1029703, 2236941, 3089109, 7207921, 9267327, 21623763, 64871289]

約数ペア:

[(1, 64871289), (3, 21623763), (7, 9267327), (9, 7207921), (21, 3089109), (29, 2236941), (63, 1029703), (87, 745647), (203, 319563), (261, 248549), (609, 106521), (1827, 35507)]