80215815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7607}}^1$

素因数の和:7671

約数の個数: 32

約数和(自身を含む): 138769920

約数和(自身を除く): 58554105

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 3515, 7607, 10545, 22821, 38035, 114105, 144533, 281459, 433599, 722665, 844377, 1407295, 2167995, 4221885, 5347721, 16043163, 26738605, 80215815]

約数ペア:

[(1, 80215815), (3, 26738605), (5, 16043163), (15, 5347721), (19, 4221885), (37, 2167995), (57, 1407295), (95, 844377), (111, 722665), (185, 433599), (285, 281459), (555, 144533), (703, 114105), (2109, 38035), (3515, 22821), (7607, 10545)]