42156807

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 76257792

約数和(自身を除く): 34100985

約数列:

[1, 3, 7, 11, 21, 29, 31, 33, 49, 77, 87, 93, 147, 203, 217, 231, 319, 341, 539, 609, 651, 841, 899, 957, 1023, 1421, 1519, 1617, 2233, 2387, 2523, 2697, 4263, 4557, 5887, 6293, 6699, 7161, 9251, 9889, 15631, 16709, 17661, 18879, 26071, 27753, 29667, 41209, 44051, 46893, 50127, 64757, 69223, 78213, 123627, 132153, 182497, 194271, 207669, 286781, 453299, 484561, 547491, 860343, 1277479, 1359897, 1453683, 2007467, 3832437, 6022401, 14052269, 42156807]

約数ペア:

[(1, 42156807), (3, 14052269), (7, 6022401), (11, 3832437), (21, 2007467), (29, 1453683), (31, 1359897), (33, 1277479), (49, 860343), (77, 547491), (87, 484561), (93, 453299), (147, 286781), (203, 207669), (217, 194271), (231, 182497), (319, 132153), (341, 123627), (539, 78213), (609, 69223), (651, 64757), (841, 50127), (899, 46893), (957, 44051), (1023, 41209), (1421, 29667), (1519, 27753), (1617, 26071), (2233, 18879), (2387, 17661), (2523, 16709), (2697, 15631), (4263, 9889), (4557, 9251), (5887, 7161), (6293, 6699)]