997801215

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 1685214720

約数和(自身を除く): 687413505

約数列:

[1, 3, 5, 15, 41, 59, 107, 123, 177, 205, 257, 295, 321, 535, 615, 771, 885, 1285, 1605, 2419, 3855, 4387, 6313, 7257, 10537, 12095, 13161, 15163, 18939, 21935, 27499, 31565, 31611, 36285, 45489, 52685, 65805, 75815, 82497, 94695, 137495, 158055, 227445, 258833, 412485, 621683, 776499, 1127459, 1294165, 1622441, 1865049, 3108415, 3382377, 3882495, 4867323, 5637295, 8112205, 9325245, 16911885, 24336615, 66520081, 199560243, 332600405, 997801215]

約数ペア:

[(1, 997801215), (3, 332600405), (5, 199560243), (15, 66520081), (41, 24336615), (59, 16911885), (107, 9325245), (123, 8112205), (177, 5637295), (205, 4867323), (257, 3882495), (295, 3382377), (321, 3108415), (535, 1865049), (615, 1622441), (771, 1294165), (885, 1127459), (1285, 776499), (1605, 621683), (2419, 412485), (3855, 258833), (4387, 227445), (6313, 158055), (7257, 137495), (10537, 94695), (12095, 82497), (13161, 75815), (15163, 65805), (18939, 52685), (21935, 45489), (27499, 36285), (31565, 31611)]