208599255

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 371498400

約数和(自身を除く): 162899145

約数列:

[1, 3, 5, 9, 15, 45, 53, 149, 159, 265, 447, 477, 587, 745, 795, 1341, 1761, 2235, 2385, 2935, 5283, 6705, 7897, 8805, 23691, 26415, 31111, 39485, 71073, 87463, 93333, 118455, 155555, 262389, 279999, 355365, 437315, 466665, 787167, 1311945, 1399995, 3935835, 4635539, 13906617, 23177695, 41719851, 69533085, 208599255]

約数ペア:

[(1, 208599255), (3, 69533085), (5, 41719851), (9, 23177695), (15, 13906617), (45, 4635539), (53, 3935835), (149, 1399995), (159, 1311945), (265, 787167), (447, 466665), (477, 437315), (587, 355365), (745, 279999), (795, 262389), (1341, 155555), (1761, 118455), (2235, 93333), (2385, 87463), (2935, 71073), (5283, 39485), (6705, 31111), (7897, 26415), (8805, 23691)]