67521825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 72

約数和(自身を含む): 141572288

約数和(自身を除く): 74050463

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 129, 175, 215, 225, 301, 315, 387, 525, 645, 903, 997, 1075, 1505, 1575, 1935, 2709, 2991, 3225, 4515, 4985, 6979, 7525, 8973, 9675, 13545, 14955, 20937, 22575, 24925, 34895, 42871, 44865, 62811, 67725, 74775, 104685, 128613, 174475, 214355, 224325, 300097, 314055, 385839, 523425, 643065, 900291, 1071775, 1500485, 1570275, 1929195, 2700873, 3215325, 4501455, 7502425, 9645975, 13504365, 22507275, 67521825]

約数ペア:

[(1, 67521825), (3, 22507275), (5, 13504365), (7, 9645975), (9, 7502425), (15, 4501455), (21, 3215325), (25, 2700873), (35, 1929195), (43, 1570275), (45, 1500485), (63, 1071775), (75, 900291), (105, 643065), (129, 523425), (175, 385839), (215, 314055), (225, 300097), (301, 224325), (315, 214355), (387, 174475), (525, 128613), (645, 104685), (903, 74775), (997, 67725), (1075, 62811), (1505, 44865), (1575, 42871), (1935, 34895), (2709, 24925), (2991, 22575), (3225, 20937), (4515, 14955), (4985, 13545), (6979, 9675), (7525, 8973)]