25664895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 47017152

約数和(自身を除く): 21352257

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 137, 181, 207, 345, 411, 543, 685, 905, 1035, 1233, 1629, 2055, 2715, 3151, 4163, 6165, 8145, 9453, 12489, 15755, 20815, 24797, 28359, 37467, 47265, 62445, 74391, 123985, 141795, 187335, 223173, 371955, 570331, 1115865, 1710993, 2851655, 5132979, 8554965, 25664895]

約数ペア:

[(1, 25664895), (3, 8554965), (5, 5132979), (9, 2851655), (15, 1710993), (23, 1115865), (45, 570331), (69, 371955), (115, 223173), (137, 187335), (181, 141795), (207, 123985), (345, 74391), (411, 62445), (543, 47265), (685, 37467), (905, 28359), (1035, 24797), (1233, 20815), (1629, 15755), (2055, 12489), (2715, 9453), (3151, 8145), (4163, 6165)]