144789519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 237012480

約数和(自身を除く): 92222961

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 269, 361, 399, 497, 807, 1083, 1349, 1491, 1883, 2527, 4047, 5111, 5649, 7581, 9443, 15333, 19099, 25631, 28329, 35777, 57297, 76893, 97109, 107331, 133693, 179417, 291327, 362881, 401079, 538251, 679763, 1088643, 2039289, 2540167, 6894739, 7620501, 20684217, 48263173, 144789519]

約数ペア:

[(1, 144789519), (3, 48263173), (7, 20684217), (19, 7620501), (21, 6894739), (57, 2540167), (71, 2039289), (133, 1088643), (213, 679763), (269, 538251), (361, 401079), (399, 362881), (497, 291327), (807, 179417), (1083, 133693), (1349, 107331), (1491, 97109), (1883, 76893), (2527, 57297), (4047, 35777), (5111, 28329), (5649, 25631), (7581, 19099), (9443, 15333)]