90205941

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 140083200

約数和(自身を除く): 49877259

約数列:

[1, 3, 7, 21, 127, 149, 227, 381, 447, 681, 889, 1043, 1589, 2667, 3129, 4767, 18923, 28829, 33823, 56769, 86487, 101469, 132461, 201803, 236761, 397383, 605409, 710283, 4295521, 12886563, 30068647, 90205941]

約数ペア:

[(1, 90205941), (3, 30068647), (7, 12886563), (21, 4295521), (127, 710283), (149, 605409), (227, 397383), (381, 236761), (447, 201803), (681, 132461), (889, 101469), (1043, 86487), (1589, 56769), (2667, 33823), (3129, 28829), (4767, 18923)]