1520232579

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{997}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 2386178080

約数和(自身を除く): 865945501

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 241, 333, 703, 723, 997, 2109, 2169, 2991, 4579, 6327, 8917, 8973, 13737, 18943, 26751, 36889, 41211, 56829, 80253, 110667, 169423, 170487, 240277, 332001, 508269, 700891, 720831, 1524807, 2102673, 2162493, 4565263, 6308019, 8890249, 13695789, 26670747, 41087367, 80012241, 168914731, 506744193, 1520232579]

約数ペア:

[(1, 1520232579), (3, 506744193), (9, 168914731), (19, 80012241), (37, 41087367), (57, 26670747), (111, 13695789), (171, 8890249), (241, 6308019), (333, 4565263), (703, 2162493), (723, 2102673), (997, 1524807), (2109, 720831), (2169, 700891), (2991, 508269), (4579, 332001), (6327, 240277), (8917, 170487), (8973, 169423), (13737, 110667), (18943, 80253), (26751, 56829), (36889, 41211)]