201878649

素因数分解:

$3^4\times 7^1\times {\mathrm{463}}^1\times {\mathrm{769}}^1$

素因数の和:1251

約数の個数: 40

約数和(自身を含む): 345847040

約数和(自身を除く): 143968391

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 463, 567, 769, 1389, 2307, 3241, 4167, 5383, 6921, 9723, 12501, 16149, 20763, 29169, 37503, 48447, 62289, 87507, 145341, 262521, 356047, 436023, 1068141, 2492329, 3204423, 7476987, 9613269, 22430961, 28839807, 67292883, 201878649]

約数ペア:

[(1, 201878649), (3, 67292883), (7, 28839807), (9, 22430961), (21, 9613269), (27, 7476987), (63, 3204423), (81, 2492329), (189, 1068141), (463, 436023), (567, 356047), (769, 262521), (1389, 145341), (2307, 87507), (3241, 62289), (4167, 48447), (5383, 37503), (6921, 29169), (9723, 20763), (12501, 16149)]