201749289

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 311869440

約数和(自身を除く): 110120151

約数列:

[1, 3, 7, 21, 179, 191, 281, 537, 573, 843, 1253, 1337, 1967, 3759, 4011, 5901, 34189, 50299, 53671, 102567, 150897, 161013, 239323, 352093, 375697, 717969, 1056279, 1127091, 9607109, 28821327, 67249763, 201749289]

約数ペア:

[(1, 201749289), (3, 67249763), (7, 28821327), (21, 9607109), (179, 1127091), (191, 1056279), (281, 717969), (537, 375697), (573, 352093), (843, 239323), (1253, 161013), (1337, 150897), (1967, 102567), (3759, 53671), (4011, 50299), (5901, 34189)]