161537745

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 281917440

約数和(自身を除く): 120379695

約数列:

[1, 3, 5, 15, 31, 37, 41, 93, 111, 123, 155, 185, 205, 229, 465, 555, 615, 687, 1145, 1147, 1271, 1517, 3435, 3441, 3813, 4551, 5735, 6355, 7099, 7585, 8473, 9389, 17205, 19065, 21297, 22755, 25419, 28167, 35495, 42365, 46945, 47027, 106485, 127095, 140835, 141081, 235135, 262663, 291059, 347393, 705405, 787989, 873177, 1042179, 1313315, 1455295, 1736965, 3939945, 4365885, 5210895, 10769183, 32307549, 53845915, 161537745]

約数ペア:

[(1, 161537745), (3, 53845915), (5, 32307549), (15, 10769183), (31, 5210895), (37, 4365885), (41, 3939945), (93, 1736965), (111, 1455295), (123, 1313315), (155, 1042179), (185, 873177), (205, 787989), (229, 705405), (465, 347393), (555, 291059), (615, 262663), (687, 235135), (1145, 141081), (1147, 140835), (1271, 127095), (1517, 106485), (3435, 47027), (3441, 46945), (3813, 42365), (4551, 35495), (5735, 28167), (6355, 25419), (7099, 22755), (7585, 21297), (8473, 19065), (9389, 17205)]