55866915

素因数分解:

$3^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 109117008

約数和(自身を除く): 53250093

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 131, 135, 195, 243, 351, 393, 405, 585, 655, 729, 1053, 1179, 1215, 1703, 1755, 1965, 2187, 3159, 3537, 3645, 5109, 5265, 5895, 6561, 8515, 9477, 10611, 10935, 15327, 15795, 17685, 25545, 28431, 31833, 32805, 45981, 47385, 53055, 76635, 85293, 95499, 137943, 142155, 159165, 229905, 286497, 413829, 426465, 477495, 689715, 859491, 1241487, 1432485, 2069145, 3724461, 4297455, 6207435, 11173383, 18622305, 55866915]

約数ペア:

[(1, 55866915), (3, 18622305), (5, 11173383), (9, 6207435), (13, 4297455), (15, 3724461), (27, 2069145), (39, 1432485), (45, 1241487), (65, 859491), (81, 689715), (117, 477495), (131, 426465), (135, 413829), (195, 286497), (243, 229905), (351, 159165), (393, 142155), (405, 137943), (585, 95499), (655, 85293), (729, 76635), (1053, 53055), (1179, 47385), (1215, 45981), (1703, 32805), (1755, 31833), (1965, 28431), (2187, 25545), (3159, 17685), (3537, 15795), (3645, 15327), (5109, 10935), (5265, 10611), (5895, 9477), (6561, 8515)]