161742915

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1873}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 298190880

約数和(自身を除く): 136447965

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 101, 171, 285, 303, 505, 855, 909, 1515, 1873, 1919, 4545, 5619, 5757, 9365, 9595, 16857, 17271, 28095, 28785, 35587, 84285, 86355, 106761, 177935, 189173, 320283, 533805, 567519, 945865, 1601415, 1702557, 2837595, 3594287, 8512785, 10782861, 17971435, 32348583, 53914305, 161742915]

約数ペア:

[(1, 161742915), (3, 53914305), (5, 32348583), (9, 17971435), (15, 10782861), (19, 8512785), (45, 3594287), (57, 2837595), (95, 1702557), (101, 1601415), (171, 945865), (285, 567519), (303, 533805), (505, 320283), (855, 189173), (909, 177935), (1515, 106761), (1873, 86355), (1919, 84285), (4545, 35587), (5619, 28785), (5757, 28095), (9365, 17271), (9595, 16857)]