206564475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 379410240

約数和(自身を除く): 172845765

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 169, 195, 215, 325, 379, 507, 559, 645, 845, 975, 1075, 1137, 1677, 1895, 2535, 2795, 3225, 4225, 4927, 5685, 7267, 8385, 9475, 12675, 13975, 14781, 16297, 21801, 24635, 28425, 36335, 41925, 48891, 64051, 73905, 81485, 109005, 123175, 181675, 192153, 211861, 244455, 320255, 369525, 407425, 545025, 635583, 960765, 1059305, 1222275, 1601275, 2754193, 3177915, 4803825, 5296525, 8262579, 13770965, 15889575, 41312895, 68854825, 206564475]

約数ペア:

[(1, 206564475), (3, 68854825), (5, 41312895), (13, 15889575), (15, 13770965), (25, 8262579), (39, 5296525), (43, 4803825), (65, 3177915), (75, 2754193), (129, 1601275), (169, 1222275), (195, 1059305), (215, 960765), (325, 635583), (379, 545025), (507, 407425), (559, 369525), (645, 320255), (845, 244455), (975, 211861), (1075, 192153), (1137, 181675), (1677, 123175), (1895, 109005), (2535, 81485), (2795, 73905), (3225, 64051), (4225, 48891), (4927, 41925), (5685, 36335), (7267, 28425), (8385, 24635), (9475, 21801), (12675, 16297), (13975, 14781)]