520019409

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16007}}^1$

素因数の和:16054

約数の個数: 48

約数和(自身を含む): 919755648

約数和(自身を除く): 399736239

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 637, 663, 833, 1547, 1911, 2499, 4641, 10829, 16007, 32487, 48021, 112049, 208091, 272119, 336147, 624273, 784343, 816357, 1456637, 1904833, 2353029, 3537547, 4369911, 5714499, 10196459, 10612641, 13333831, 24762829, 30589377, 40001493, 74288487, 173339803, 520019409]

約数ペア:

[(1, 520019409), (3, 173339803), (7, 74288487), (13, 40001493), (17, 30589377), (21, 24762829), (39, 13333831), (49, 10612641), (51, 10196459), (91, 5714499), (119, 4369911), (147, 3537547), (221, 2353029), (273, 1904833), (357, 1456637), (637, 816357), (663, 784343), (833, 624273), (1547, 336147), (1911, 272119), (2499, 208091), (4641, 112049), (10829, 48021), (16007, 32487)]