217933455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{50273}}^1$

素因数の和:50315

約数の個数: 24

約数和(自身を含む): 370418832

約数和(自身を除く): 152485377

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 50273, 150819, 251365, 754095, 854641, 2563923, 4273205, 12819615, 14528897, 43586691, 72644485, 217933455]

約数ペア:

[(1, 217933455), (3, 72644485), (5, 43586691), (15, 14528897), (17, 12819615), (51, 4273205), (85, 2563923), (255, 854641), (289, 754095), (867, 251365), (1445, 150819), (4335, 50273)]