219874725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1019}}^1$

素因数の和:1179

約数の個数: 72

約数和(自身を含む): 453810240

約数和(自身を除く): 233935515

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 137, 175, 225, 315, 411, 525, 685, 959, 1019, 1233, 1575, 2055, 2877, 3057, 3425, 4795, 5095, 6165, 7133, 8631, 9171, 10275, 14385, 15285, 21399, 23975, 25475, 30825, 35665, 43155, 45855, 64197, 71925, 76425, 106995, 139603, 178325, 215775, 229275, 320985, 418809, 534975, 698015, 977221, 1256427, 1604925, 2094045, 2931663, 3490075, 4886105, 6282135, 8794989, 10470225, 14658315, 24430525, 31410675, 43974945, 73291575, 219874725]

約数ペア:

[(1, 219874725), (3, 73291575), (5, 43974945), (7, 31410675), (9, 24430525), (15, 14658315), (21, 10470225), (25, 8794989), (35, 6282135), (45, 4886105), (63, 3490075), (75, 2931663), (105, 2094045), (137, 1604925), (175, 1256427), (225, 977221), (315, 698015), (411, 534975), (525, 418809), (685, 320985), (959, 229275), (1019, 215775), (1233, 178325), (1575, 139603), (2055, 106995), (2877, 76425), (3057, 71925), (3425, 64197), (4795, 45855), (5095, 43155), (6165, 35665), (7133, 30825), (8631, 25475), (9171, 23975), (10275, 21399), (14385, 15285)]