54778275

素因数分解:

$3^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 103993344

約数和(自身を除く): 49215069

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 127, 135, 213, 225, 243, 355, 381, 405, 635, 639, 675, 1065, 1143, 1215, 1775, 1905, 1917, 2025, 3175, 3195, 3429, 5325, 5715, 5751, 6075, 9017, 9525, 9585, 10287, 15975, 17145, 17253, 27051, 28575, 28755, 30861, 45085, 47925, 51435, 81153, 85725, 86265, 135255, 143775, 154305, 225425, 243459, 257175, 405765, 431325, 676275, 730377, 771525, 1217295, 2028825, 2191131, 3651885, 6086475, 10955655, 18259425, 54778275]

約数ペア:

[(1, 54778275), (3, 18259425), (5, 10955655), (9, 6086475), (15, 3651885), (25, 2191131), (27, 2028825), (45, 1217295), (71, 771525), (75, 730377), (81, 676275), (127, 431325), (135, 405765), (213, 257175), (225, 243459), (243, 225425), (355, 154305), (381, 143775), (405, 135255), (635, 86265), (639, 85725), (675, 81153), (1065, 51435), (1143, 47925), (1215, 45085), (1775, 30861), (1905, 28755), (1917, 28575), (2025, 27051), (3175, 17253), (3195, 17145), (3429, 15975), (5325, 10287), (5715, 9585), (5751, 9525), (6075, 9017)]