2772045212175

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{664771}}^1$

素因数の和:665261

約数の個数: 72

約数和(自身を含む): 5092302428928

約数和(自身を除く): 2320257216753

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 431, 645, 1075, 1293, 1935, 2155, 3225, 3879, 6465, 9675, 10775, 18533, 19395, 32325, 55599, 92665, 96975, 166797, 277995, 463325, 664771, 833985, 1389975, 1994313, 3323855, 4169925, 5982939, 9971565, 16619275, 28585153, 29914695, 49857825, 85755459, 142925765, 149573475, 257266377, 286516301, 428777295, 714628825, 859548903, 1286331885, 1432581505, 2143886475, 2578646709, 4297744515, 6431659425, 7162907525, 12320200943, 12893233545, 21488722575, 36960602829, 61601004715, 64466167725, 110881808487, 184803014145, 308005023575, 554409042435, 924015070725, 2772045212175]

約数ペア:

[(1, 2772045212175), (3, 924015070725), (5, 554409042435), (9, 308005023575), (15, 184803014145), (25, 110881808487), (43, 64466167725), (45, 61601004715), (75, 36960602829), (129, 21488722575), (215, 12893233545), (225, 12320200943), (387, 7162907525), (431, 6431659425), (645, 4297744515), (1075, 2578646709), (1293, 2143886475), (1935, 1432581505), (2155, 1286331885), (3225, 859548903), (3879, 714628825), (6465, 428777295), (9675, 286516301), (10775, 257266377), (18533, 149573475), (19395, 142925765), (32325, 85755459), (55599, 49857825), (92665, 29914695), (96975, 28585153), (166797, 16619275), (277995, 9971565), (463325, 5982939), (664771, 4169925), (833985, 3323855), (1389975, 1994313)]