25502805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 49137192

約数和(自身を除く): 23634387

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 53, 85, 111, 153, 159, 185, 255, 265, 289, 333, 477, 555, 629, 765, 795, 867, 901, 1445, 1665, 1887, 1961, 2385, 2601, 2703, 3145, 4335, 4505, 5661, 5883, 8109, 9435, 9805, 10693, 13005, 13515, 15317, 17649, 28305, 29415, 32079, 33337, 40545, 45951, 53465, 76585, 88245, 96237, 100011, 137853, 160395, 166685, 229755, 300033, 481185, 500055, 566729, 689265, 1500165, 1700187, 2833645, 5100561, 8500935, 25502805]

約数ペア:

[(1, 25502805), (3, 8500935), (5, 5100561), (9, 2833645), (15, 1700187), (17, 1500165), (37, 689265), (45, 566729), (51, 500055), (53, 481185), (85, 300033), (111, 229755), (153, 166685), (159, 160395), (185, 137853), (255, 100011), (265, 96237), (289, 88245), (333, 76585), (477, 53465), (555, 45951), (629, 40545), (765, 33337), (795, 32079), (867, 29415), (901, 28305), (1445, 17649), (1665, 15317), (1887, 13515), (1961, 13005), (2385, 10693), (2601, 9805), (2703, 9435), (3145, 8109), (4335, 5883), (4505, 5661)]