201891795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 382718976

約数和(自身を除く): 180827181

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 157, 185, 259, 331, 471, 555, 777, 785, 993, 1099, 1295, 1655, 2317, 2355, 3297, 3885, 4965, 5495, 5809, 6951, 11585, 12247, 16485, 17427, 29045, 34755, 36741, 40663, 51967, 61235, 85729, 87135, 121989, 155901, 183705, 203315, 257187, 259835, 363769, 428645, 609945, 779505, 1091307, 1285935, 1818845, 1922779, 5456535, 5768337, 9613895, 13459453, 28841685, 40378359, 67297265, 201891795]

約数ペア:

[(1, 201891795), (3, 67297265), (5, 40378359), (7, 28841685), (15, 13459453), (21, 9613895), (35, 5768337), (37, 5456535), (105, 1922779), (111, 1818845), (157, 1285935), (185, 1091307), (259, 779505), (331, 609945), (471, 428645), (555, 363769), (777, 259835), (785, 257187), (993, 203315), (1099, 183705), (1295, 155901), (1655, 121989), (2317, 87135), (2355, 85729), (3297, 61235), (3885, 51967), (4965, 40663), (5495, 36741), (5809, 34755), (6951, 29045), (11585, 17427), (12247, 16485)]