201945555

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{71233}}^1$

素因数の和:71257

約数の個数: 40

約数和(自身を含む): 413727072

約数和(自身を除く): 211781517

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 71233, 213699, 356165, 498631, 641097, 1068495, 1495893, 1923291, 2493155, 3205485, 4487679, 5769873, 7479465, 9616455, 13463037, 22438395, 28849365, 40389111, 67315185, 201945555]

約数ペア:

[(1, 201945555), (3, 67315185), (5, 40389111), (7, 28849365), (9, 22438395), (15, 13463037), (21, 9616455), (27, 7479465), (35, 5769873), (45, 4487679), (63, 3205485), (81, 2493155), (105, 1923291), (135, 1495893), (189, 1068495), (315, 641097), (405, 498631), (567, 356165), (945, 213699), (2835, 71233)]