247271871

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 193990209

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 133, 159, 209, 231, 371, 399, 583, 627, 1007, 1063, 1113, 1463, 1749, 3021, 3189, 4081, 4389, 7049, 7441, 11077, 11693, 12243, 20197, 21147, 22323, 33231, 35079, 56339, 60591, 77539, 81851, 141379, 169017, 222167, 232617, 245553, 394373, 424137, 619729, 666501, 1070441, 1183119, 1555169, 1859187, 3211323, 4338103, 4665507, 7493087, 11774851, 13014309, 22479261, 35324553, 82423957, 247271871]

約数ペア:

[(1, 247271871), (3, 82423957), (7, 35324553), (11, 22479261), (19, 13014309), (21, 11774851), (33, 7493087), (53, 4665507), (57, 4338103), (77, 3211323), (133, 1859187), (159, 1555169), (209, 1183119), (231, 1070441), (371, 666501), (399, 619729), (583, 424137), (627, 394373), (1007, 245553), (1063, 232617), (1113, 222167), (1463, 169017), (1749, 141379), (3021, 81851), (3189, 77539), (4081, 60591), (4389, 56339), (7049, 35079), (7441, 33231), (11077, 22323), (11693, 21147), (12243, 20197)]