200779215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21013}}^1$

素因数の和:21048

約数の個数: 48

約数和(自身を含む): 402460128

約数和(自身を除く): 201680913

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 9555, 21013, 63039, 105065, 147091, 273169, 315195, 441273, 735455, 819507, 1029637, 1365845, 1912183, 2206365, 3088911, 4097535, 5148185, 5736549, 9560915, 13385281, 15444555, 28682745, 40155843, 66926405, 200779215]

約数ペア:

[(1, 200779215), (3, 66926405), (5, 40155843), (7, 28682745), (13, 15444555), (15, 13385281), (21, 9560915), (35, 5736549), (39, 5148185), (49, 4097535), (65, 3088911), (91, 2206365), (105, 1912183), (147, 1365845), (195, 1029637), (245, 819507), (273, 735455), (455, 441273), (637, 315195), (735, 273169), (1365, 147091), (1911, 105065), (3185, 63039), (9555, 21013)]