263208195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 498651504

約数和(自身を除く): 235443309

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 289, 333, 547, 555, 629, 765, 867, 1445, 1641, 1665, 1887, 2601, 2735, 3145, 4335, 4923, 5661, 8205, 9299, 9435, 10693, 13005, 20239, 24615, 27897, 28305, 32079, 46495, 53465, 60717, 83691, 96237, 101195, 139485, 158083, 160395, 182151, 303585, 344063, 418455, 474249, 481185, 790415, 910755, 1032189, 1422747, 1720315, 2371245, 3096567, 5160945, 5849071, 7113735, 15482835, 17547213, 29245355, 52641639, 87736065, 263208195]

約数ペア:

[(1, 263208195), (3, 87736065), (5, 52641639), (9, 29245355), (15, 17547213), (17, 15482835), (37, 7113735), (45, 5849071), (51, 5160945), (85, 3096567), (111, 2371245), (153, 1720315), (185, 1422747), (255, 1032189), (289, 910755), (333, 790415), (547, 481185), (555, 474249), (629, 418455), (765, 344063), (867, 303585), (1445, 182151), (1641, 160395), (1665, 158083), (1887, 139485), (2601, 101195), (2735, 96237), (3145, 83691), (4335, 60717), (4923, 53465), (5661, 46495), (8205, 32079), (9299, 28305), (9435, 27897), (10693, 24615), (13005, 20239)]