200990151

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 316967040

約数和(自身を除く): 115976889

約数列:

[1, 3, 9, 19, 53, 57, 67, 159, 171, 201, 331, 477, 603, 993, 1007, 1273, 2979, 3021, 3551, 3819, 6289, 9063, 10653, 11457, 17543, 18867, 22177, 31959, 52629, 56601, 66531, 67469, 157887, 199593, 202407, 333317, 421363, 607221, 999951, 1175381, 1264089, 2999853, 3526143, 3792267, 10578429, 22332239, 66996717, 200990151]

約数ペア:

[(1, 200990151), (3, 66996717), (9, 22332239), (19, 10578429), (53, 3792267), (57, 3526143), (67, 2999853), (159, 1264089), (171, 1175381), (201, 999951), (331, 607221), (477, 421363), (603, 333317), (993, 202407), (1007, 199593), (1273, 157887), (2979, 67469), (3021, 66531), (3551, 56601), (3819, 52629), (6289, 31959), (9063, 22177), (10653, 18867), (11457, 17543)]