1531305

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 2904000

約数和(自身を除く): 1372695

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 199, 285, 405, 513, 597, 855, 995, 1539, 1791, 2565, 2985, 3781, 5373, 7695, 8955, 11343, 16119, 18905, 26865, 34029, 56715, 80595, 102087, 170145, 306261, 510435, 1531305]

約数ペア:

[(1, 1531305), (3, 510435), (5, 306261), (9, 170145), (15, 102087), (19, 80595), (27, 56715), (45, 34029), (57, 26865), (81, 18905), (95, 16119), (135, 11343), (171, 8955), (199, 7695), (285, 5373), (405, 3781), (513, 2985), (597, 2565), (855, 1791), (995, 1539)]