13278615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 26459136

約数和(自身を除く): 13180521

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 173, 215, 255, 301, 357, 519, 595, 645, 731, 865, 903, 1211, 1505, 1785, 2193, 2595, 2941, 3633, 3655, 4515, 5117, 6055, 7439, 8823, 10965, 14705, 15351, 18165, 20587, 22317, 25585, 37195, 44115, 52073, 61761, 76755, 102935, 111585, 126463, 156219, 260365, 308805, 379389, 632315, 781095, 885241, 1896945, 2655723, 4426205, 13278615]

約数ペア:

[(1, 13278615), (3, 4426205), (5, 2655723), (7, 1896945), (15, 885241), (17, 781095), (21, 632315), (35, 379389), (43, 308805), (51, 260365), (85, 156219), (105, 126463), (119, 111585), (129, 102935), (173, 76755), (215, 61761), (255, 52073), (301, 44115), (357, 37195), (519, 25585), (595, 22317), (645, 20587), (731, 18165), (865, 15351), (903, 14705), (1211, 10965), (1505, 8823), (1785, 7439), (2193, 6055), (2595, 5117), (2941, 4515), (3633, 3655)]