201656985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{9907}}^1$

素因数の和:9997

約数の個数: 32

約数和(自身を含む): 342420480

約数和(自身を除く): 140763495

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 4071, 6785, 9907, 20355, 29721, 49535, 148605, 227861, 584513, 683583, 1139305, 1753539, 2922565, 3417915, 8767695, 13443799, 40331397, 67218995, 201656985]

約数ペア:

[(1, 201656985), (3, 67218995), (5, 40331397), (15, 13443799), (23, 8767695), (59, 3417915), (69, 2922565), (115, 1753539), (177, 1139305), (295, 683583), (345, 584513), (885, 227861), (1357, 148605), (4071, 49535), (6785, 29721), (9907, 20355)]