201568311

素因数分解:

$3^3\times 7^2\times {\mathrm{251}}^1\times {\mathrm{607}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 349332480

約数和(自身を除く): 147764169

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 251, 441, 607, 753, 1323, 1757, 1821, 2259, 4249, 5271, 5463, 6777, 12299, 12747, 15813, 16389, 29743, 36897, 38241, 47439, 89229, 110691, 114723, 152357, 267687, 332073, 457071, 803061, 1066499, 1371213, 3199497, 4113639, 7465493, 9598491, 22396479, 28795473, 67189437, 201568311]

約数ペア:

[(1, 201568311), (3, 67189437), (7, 28795473), (9, 22396479), (21, 9598491), (27, 7465493), (49, 4113639), (63, 3199497), (147, 1371213), (189, 1066499), (251, 803061), (441, 457071), (607, 332073), (753, 267687), (1323, 152357), (1757, 114723), (1821, 110691), (2259, 89229), (4249, 47439), (5271, 38241), (5463, 36897), (6777, 29743), (12299, 16389), (12747, 15813)]