203428257

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 286951680

約数和(自身を除く): 83523423

約数列:

[1, 3, 37, 53, 111, 151, 159, 229, 453, 687, 1961, 5587, 5883, 8003, 8473, 12137, 16761, 24009, 25419, 34579, 36411, 103737, 296111, 449069, 888333, 1279423, 1347207, 1832687, 3838269, 5498061, 67809419, 203428257]

約数ペア:

[(1, 203428257), (3, 67809419), (37, 5498061), (53, 3838269), (111, 1832687), (151, 1347207), (159, 1279423), (229, 888333), (453, 449069), (687, 296111), (1961, 103737), (5587, 36411), (5883, 34579), (8003, 25419), (8473, 24009), (12137, 16761)]