31870971

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 55092960

約数和(自身を除く): 23221989

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 87, 99, 153, 187, 261, 319, 493, 561, 653, 957, 1479, 1683, 1959, 2871, 4437, 5423, 5877, 7183, 11101, 16269, 18937, 21549, 33303, 48807, 56811, 64647, 99909, 122111, 170433, 208307, 321929, 366333, 624921, 965787, 1098999, 1874763, 2897361, 3541219, 10623657, 31870971]

約数ペア:

[(1, 31870971), (3, 10623657), (9, 3541219), (11, 2897361), (17, 1874763), (29, 1098999), (33, 965787), (51, 624921), (87, 366333), (99, 321929), (153, 208307), (187, 170433), (261, 122111), (319, 99909), (493, 64647), (561, 56811), (653, 48807), (957, 33303), (1479, 21549), (1683, 18937), (1959, 16269), (2871, 11101), (4437, 7183), (5423, 5877)]