25443873

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 46265856

約数和(自身を除く): 20821983

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 611, 661, 819, 987, 1833, 1983, 2961, 4277, 4627, 5499, 5949, 8593, 12831, 13881, 25779, 31067, 38493, 41643, 60151, 77337, 93201, 180453, 217469, 279603, 403871, 541359, 652407, 1211613, 1957221, 2827097, 3634839, 8481291, 25443873]

約数ペア:

[(1, 25443873), (3, 8481291), (7, 3634839), (9, 2827097), (13, 1957221), (21, 1211613), (39, 652407), (47, 541359), (63, 403871), (91, 279603), (117, 217469), (141, 180453), (273, 93201), (329, 77337), (423, 60151), (611, 41643), (661, 38493), (819, 31067), (987, 25779), (1833, 13881), (1983, 12831), (2961, 8593), (4277, 5949), (4627, 5499)]