71398341

素因数分解:

$3^4\times 7^2\times {\mathrm{17989}}^1$

素因数の和:18015

約数の個数: 30

約数和(自身を含む): 124077030

約数和(自身を除く): 52678689

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 17989, 53967, 125923, 161901, 377769, 485703, 881461, 1133307, 1457109, 2644383, 3399921, 7933149, 10199763, 23799447, 71398341]

約数ペア:

[(1, 71398341), (3, 23799447), (7, 10199763), (9, 7933149), (21, 3399921), (27, 2644383), (49, 1457109), (63, 1133307), (81, 881461), (147, 485703), (189, 377769), (441, 161901), (567, 125923), (1323, 53967), (3969, 17989)]