53985555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1665

約数の個数: 64

約数和(自身を含む): 108864000

約数和(自身を除く): 54878445

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 585, 741, 855, 1235, 1619, 1755, 2223, 2565, 3705, 4857, 6669, 8095, 11115, 14571, 21047, 24285, 30761, 33345, 43713, 63141, 72855, 92283, 105235, 153805, 189423, 218565, 276849, 315705, 399893, 461415, 568269, 830547, 947115, 1199679, 1384245, 1999465, 2841345, 3599037, 4152735, 5998395, 10797111, 17995185, 53985555]

約数ペア:

[(1, 53985555), (3, 17995185), (5, 10797111), (9, 5998395), (13, 4152735), (15, 3599037), (19, 2841345), (27, 1999465), (39, 1384245), (45, 1199679), (57, 947115), (65, 830547), (95, 568269), (117, 461415), (135, 399893), (171, 315705), (195, 276849), (247, 218565), (285, 189423), (351, 153805), (513, 105235), (585, 92283), (741, 72855), (855, 63141), (1235, 43713), (1619, 33345), (1755, 30761), (2223, 24285), (2565, 21047), (3705, 14571), (4857, 11115), (6669, 8095)]