40720185

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1655

約数の個数: 64

約数和(自身を含む): 83669760

約数和(自身を除く): 42949575

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 765, 935, 1485, 1613, 1683, 2295, 2805, 4839, 5049, 8065, 8415, 14517, 17743, 24195, 25245, 27421, 43551, 53229, 72585, 82263, 88715, 137105, 159687, 217755, 246789, 266145, 301631, 411315, 479061, 740367, 798435, 904893, 1233945, 1508155, 2395305, 2714679, 3701835, 4524465, 8144037, 13573395, 40720185]

約数ペア:

[(1, 40720185), (3, 13573395), (5, 8144037), (9, 4524465), (11, 3701835), (15, 2714679), (17, 2395305), (27, 1508155), (33, 1233945), (45, 904893), (51, 798435), (55, 740367), (85, 479061), (99, 411315), (135, 301631), (153, 266145), (165, 246789), (187, 217755), (255, 159687), (297, 137105), (459, 88715), (495, 82263), (561, 72585), (765, 53229), (935, 43551), (1485, 27421), (1613, 25245), (1683, 24195), (2295, 17743), (2805, 14517), (4839, 8415), (5049, 8065)]