291284409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1823}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 444939264

約数和(自身を除く): 153654855

約数列:

[1, 3, 13, 17, 39, 51, 221, 241, 663, 723, 1823, 3133, 4097, 5469, 9399, 12291, 23699, 30991, 53261, 71097, 92973, 159783, 402883, 439343, 1208649, 1318029, 5711459, 7468831, 17134377, 22406493, 97094803, 291284409]

約数ペア:

[(1, 291284409), (3, 97094803), (13, 22406493), (17, 17134377), (39, 7468831), (51, 5711459), (221, 1318029), (241, 1208649), (663, 439343), (723, 402883), (1823, 159783), (3133, 92973), (4097, 71097), (5469, 53261), (9399, 30991), (12291, 23699)]