27698853

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 45751552

約数和(自身を除く): 18052699

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 421, 723, 1263, 1687, 2947, 3133, 5061, 5473, 8841, 9399, 16419, 21931, 38311, 65793, 101461, 114933, 304383, 710227, 1318993, 2130681, 3956979, 9232951, 27698853]

約数ペア:

[(1, 27698853), (3, 9232951), (7, 3956979), (13, 2130681), (21, 1318993), (39, 710227), (91, 304383), (241, 114933), (273, 101461), (421, 65793), (723, 38311), (1263, 21931), (1687, 16419), (2947, 9399), (3133, 8841), (5061, 5473)]