55128245175

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{128347}}^1$

素因数の和:128469

約数の個数: 72

約数和(自身を含む): 104276075904

約数和(自身を除く): 49147830729

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 83, 115, 207, 225, 249, 345, 415, 575, 747, 1035, 1245, 1725, 1909, 2075, 3735, 5175, 5727, 6225, 9545, 17181, 18675, 28635, 47725, 85905, 128347, 143175, 385041, 429525, 641735, 1155123, 1925205, 2951981, 3208675, 5775615, 8855943, 9626025, 10652801, 14759905, 26567829, 28878075, 31958403, 44279715, 53264005, 73799525, 95875209, 132839145, 159792015, 221398575, 245014423, 266320025, 479376045, 664195725, 735043269, 798960075, 1225072115, 2205129807, 2396880225, 3675216345, 6125360575, 11025649035, 18376081725, 55128245175]

約数ペア:

[(1, 55128245175), (3, 18376081725), (5, 11025649035), (9, 6125360575), (15, 3675216345), (23, 2396880225), (25, 2205129807), (45, 1225072115), (69, 798960075), (75, 735043269), (83, 664195725), (115, 479376045), (207, 266320025), (225, 245014423), (249, 221398575), (345, 159792015), (415, 132839145), (575, 95875209), (747, 73799525), (1035, 53264005), (1245, 44279715), (1725, 31958403), (1909, 28878075), (2075, 26567829), (3735, 14759905), (5175, 10652801), (5727, 9626025), (6225, 8855943), (9545, 5775615), (17181, 3208675), (18675, 2951981), (28635, 1925205), (47725, 1155123), (85905, 641735), (128347, 429525), (143175, 385041)]