212512665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{19381}}^1$

素因数の和:19449

約数の個数: 32

約数和(自身を含む): 368413056

約数和(自身を除く): 155900391

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 19381, 58143, 96905, 290715, 329477, 833383, 988431, 1647385, 2500149, 4166915, 4942155, 12500745, 14167511, 42502533, 70837555, 212512665]

約数ペア:

[(1, 212512665), (3, 70837555), (5, 42502533), (15, 14167511), (17, 12500745), (43, 4942155), (51, 4166915), (85, 2500149), (129, 1647385), (215, 988431), (255, 833383), (645, 329477), (731, 290715), (2193, 96905), (3655, 58143), (10965, 19381)]