201391575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 96

約数和(自身を含む): 425306112

約数和(自身を除く): 223914537

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 43, 55, 75, 77, 105, 129, 165, 175, 215, 231, 275, 301, 385, 473, 525, 645, 811, 825, 903, 1075, 1155, 1419, 1505, 1925, 2365, 2433, 3225, 3311, 4055, 4515, 5677, 5775, 7095, 7525, 8921, 9933, 11825, 12165, 16555, 17031, 20275, 22575, 26763, 28385, 34873, 35475, 44605, 49665, 60825, 62447, 82775, 85155, 104619, 133815, 141925, 174365, 187341, 223025, 244111, 248325, 312235, 383603, 425775, 523095, 669075, 732333, 871825, 936705, 1150809, 1220555, 1561175, 1918015, 2615475, 2685221, 3661665, 4683525, 5754045, 6102775, 8055663, 9590075, 13426105, 18308325, 28770225, 40278315, 67130525, 201391575]

約数ペア:

[(1, 201391575), (3, 67130525), (5, 40278315), (7, 28770225), (11, 18308325), (15, 13426105), (21, 9590075), (25, 8055663), (33, 6102775), (35, 5754045), (43, 4683525), (55, 3661665), (75, 2685221), (77, 2615475), (105, 1918015), (129, 1561175), (165, 1220555), (175, 1150809), (215, 936705), (231, 871825), (275, 732333), (301, 669075), (385, 523095), (473, 425775), (525, 383603), (645, 312235), (811, 248325), (825, 244111), (903, 223025), (1075, 187341), (1155, 174365), (1419, 141925), (1505, 133815), (1925, 104619), (2365, 85155), (2433, 82775), (3225, 62447), (3311, 60825), (4055, 49665), (4515, 44605), (5677, 35475), (5775, 34873), (7095, 28385), (7525, 26763), (8921, 22575), (9933, 20275), (11825, 17031), (12165, 16555)]