8520783975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{43579}}^1$

素因数の和:43685

約数の個数: 72

約数和(自身を含む): 16860230400

約数和(自身を除く): 8339446425

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 79, 99, 165, 225, 237, 275, 395, 495, 711, 825, 869, 1185, 1975, 2475, 2607, 3555, 4345, 5925, 7821, 13035, 17775, 21725, 39105, 43579, 65175, 130737, 195525, 217895, 392211, 479369, 653685, 1089475, 1438107, 1961055, 2396845, 3268425, 3442741, 4314321, 7190535, 9805275, 10328223, 11984225, 17213705, 21571605, 30984669, 35952675, 37870151, 51641115, 86068525, 107858025, 113610453, 154923345, 189350755, 258205575, 340831359, 568052265, 774616725, 946753775, 1704156795, 2840261325, 8520783975]

約数ペア:

[(1, 8520783975), (3, 2840261325), (5, 1704156795), (9, 946753775), (11, 774616725), (15, 568052265), (25, 340831359), (33, 258205575), (45, 189350755), (55, 154923345), (75, 113610453), (79, 107858025), (99, 86068525), (165, 51641115), (225, 37870151), (237, 35952675), (275, 30984669), (395, 21571605), (495, 17213705), (711, 11984225), (825, 10328223), (869, 9805275), (1185, 7190535), (1975, 4314321), (2475, 3442741), (2607, 3268425), (3555, 2396845), (4345, 1961055), (5925, 1438107), (7821, 1089475), (13035, 653685), (17775, 479369), (21725, 392211), (39105, 217895), (43579, 195525), (65175, 130737)]