217465970175

素因数分解:

$3^2\times 5^2\times {\mathrm{9661}}^1\times {\mathrm{100043}}^1$

素因数の和:109720

約数の個数: 36

約数和(自身を含む): 389549926584

約数和(自身を除く): 172083956409

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9661, 28983, 48305, 86949, 100043, 144915, 241525, 300129, 434745, 500215, 724575, 900387, 1500645, 2173725, 2501075, 4501935, 7503225, 22509675, 966515423, 2899546269, 4832577115, 8698638807, 14497731345, 24162885575, 43493194035, 72488656725, 217465970175]

約数ペア:

[(1, 217465970175), (3, 72488656725), (5, 43493194035), (9, 24162885575), (15, 14497731345), (25, 8698638807), (45, 4832577115), (75, 2899546269), (225, 966515423), (9661, 22509675), (28983, 7503225), (48305, 4501935), (86949, 2501075), (100043, 2173725), (144915, 1500645), (241525, 900387), (300129, 724575), (434745, 500215)]