71532321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2939}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 116659200

約数和(自身を除く): 45126879

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 2939, 3477, 8113, 8817, 20573, 24339, 55841, 61719, 167523, 179279, 390887, 537837, 1172661, 1254953, 3406301, 3764859, 10218903, 23844107, 71532321]

約数ペア:

[(1, 71532321), (3, 23844107), (7, 10218903), (19, 3764859), (21, 3406301), (57, 1254953), (61, 1172661), (133, 537837), (183, 390887), (399, 179279), (427, 167523), (1159, 61719), (1281, 55841), (2939, 24339), (3477, 20573), (8113, 8817)]