56055555

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 100941984

約数和(自身を除く): 44886429

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 131, 185, 257, 333, 393, 555, 655, 771, 1179, 1285, 1665, 1965, 2313, 3855, 4847, 5895, 9509, 11565, 14541, 24235, 28527, 33667, 43623, 47545, 72705, 85581, 101001, 142635, 168335, 218115, 303003, 427905, 505005, 1245679, 1515015, 3737037, 6228395, 11211111, 18685185, 56055555]

約数ペア:

[(1, 56055555), (3, 18685185), (5, 11211111), (9, 6228395), (15, 3737037), (37, 1515015), (45, 1245679), (111, 505005), (131, 427905), (185, 303003), (257, 218115), (333, 168335), (393, 142635), (555, 101001), (655, 85581), (771, 72705), (1179, 47545), (1285, 43623), (1665, 33667), (1965, 28527), (2313, 24235), (3855, 14541), (4847, 11565), (5895, 9509)]