201911295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 350834688

約数和(自身を除く): 148923393

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 289, 705, 799, 867, 991, 1445, 2397, 2973, 3995, 4335, 4955, 11985, 13583, 14865, 16847, 40749, 46577, 50541, 67915, 84235, 139731, 203745, 232885, 252705, 286399, 698655, 791809, 859197, 1431995, 2375427, 3959045, 4295985, 11877135, 13460753, 40382259, 67303765, 201911295]

約数ペア:

[(1, 201911295), (3, 67303765), (5, 40382259), (15, 13460753), (17, 11877135), (47, 4295985), (51, 3959045), (85, 2375427), (141, 1431995), (235, 859197), (255, 791809), (289, 698655), (705, 286399), (799, 252705), (867, 232885), (991, 203745), (1445, 139731), (2397, 84235), (2973, 67915), (3995, 50541), (4335, 46577), (4955, 40749), (11985, 16847), (13583, 14865)]