25381305

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 46500480

約数和(自身を除く): 21119175

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 137, 179, 207, 345, 411, 537, 685, 895, 1035, 1233, 1611, 2055, 2685, 3151, 4117, 6165, 8055, 9453, 12351, 15755, 20585, 24523, 28359, 37053, 47265, 61755, 73569, 122615, 141795, 185265, 220707, 367845, 564029, 1103535, 1692087, 2820145, 5076261, 8460435, 25381305]

約数ペア:

[(1, 25381305), (3, 8460435), (5, 5076261), (9, 2820145), (15, 1692087), (23, 1103535), (45, 564029), (69, 367845), (115, 220707), (137, 185265), (179, 141795), (207, 122615), (345, 73569), (411, 61755), (537, 47265), (685, 37053), (895, 28359), (1035, 24523), (1233, 20585), (1611, 15755), (2055, 12351), (2685, 9453), (3151, 8055), (4117, 6165)]