71918595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 143232960

約数和(自身を除く): 71314365

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 229, 315, 687, 997, 1145, 1603, 2061, 2991, 3435, 4809, 4985, 6979, 8015, 8973, 10305, 14427, 14955, 20937, 24045, 34895, 44865, 62811, 72135, 104685, 228313, 314055, 684939, 1141565, 1598191, 2054817, 3424695, 4794573, 7990955, 10274085, 14383719, 23972865, 71918595]

約数ペア:

[(1, 71918595), (3, 23972865), (5, 14383719), (7, 10274085), (9, 7990955), (15, 4794573), (21, 3424695), (35, 2054817), (45, 1598191), (63, 1141565), (105, 684939), (229, 314055), (315, 228313), (687, 104685), (997, 72135), (1145, 62811), (1603, 44865), (2061, 34895), (2991, 24045), (3435, 20937), (4809, 14955), (4985, 14427), (6979, 10305), (8015, 8973)]