42637275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 82521504

約数和(自身を除く): 39884229

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 71, 75, 85, 153, 157, 213, 225, 255, 355, 425, 471, 639, 765, 785, 1065, 1207, 1275, 1413, 1775, 2355, 2669, 3195, 3621, 3825, 3925, 5325, 6035, 7065, 8007, 10863, 11147, 11775, 13345, 15975, 18105, 24021, 30175, 33441, 35325, 40035, 54315, 55735, 66725, 90525, 100323, 120105, 167205, 189499, 200175, 271575, 278675, 501615, 568497, 600525, 836025, 947495, 1705491, 2508075, 2842485, 4737475, 8527455, 14212425, 42637275]

約数ペア:

[(1, 42637275), (3, 14212425), (5, 8527455), (9, 4737475), (15, 2842485), (17, 2508075), (25, 1705491), (45, 947495), (51, 836025), (71, 600525), (75, 568497), (85, 501615), (153, 278675), (157, 271575), (213, 200175), (225, 189499), (255, 167205), (355, 120105), (425, 100323), (471, 90525), (639, 66725), (765, 55735), (785, 54315), (1065, 40035), (1207, 35325), (1275, 33441), (1413, 30175), (1775, 24021), (2355, 18105), (2669, 15975), (3195, 13345), (3621, 11775), (3825, 11147), (3925, 10863), (5325, 8007), (6035, 7065)]