133775775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 276090464

約数和(自身を除く): 142314689

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 157, 175, 225, 315, 471, 525, 541, 785, 1099, 1413, 1575, 1623, 2355, 2705, 3297, 3787, 3925, 4869, 5495, 7065, 8115, 9891, 11361, 11775, 13525, 16485, 18935, 24345, 27475, 34083, 35325, 40575, 49455, 56805, 82425, 84937, 94675, 121725, 170415, 247275, 254811, 284025, 424685, 594559, 764433, 852075, 1274055, 1783677, 2123425, 2972795, 3822165, 5351031, 6370275, 8918385, 14863975, 19110825, 26755155, 44591925, 133775775]

約数ペア:

[(1, 133775775), (3, 44591925), (5, 26755155), (7, 19110825), (9, 14863975), (15, 8918385), (21, 6370275), (25, 5351031), (35, 3822165), (45, 2972795), (63, 2123425), (75, 1783677), (105, 1274055), (157, 852075), (175, 764433), (225, 594559), (315, 424685), (471, 284025), (525, 254811), (541, 247275), (785, 170415), (1099, 121725), (1413, 94675), (1575, 84937), (1623, 82425), (2355, 56805), (2705, 49455), (3297, 40575), (3787, 35325), (3925, 34083), (4869, 27475), (5495, 24345), (7065, 18935), (8115, 16485), (9891, 13525), (11361, 11775)]