199933713

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 356616000

約数和(自身を除く): 156682287

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 149, 171, 177, 361, 399, 413, 447, 531, 1043, 1083, 1121, 1197, 1239, 1341, 2527, 2831, 3129, 3249, 3363, 3717, 7581, 7847, 8493, 8791, 9387, 10089, 19817, 21299, 22743, 23541, 25479, 26373, 53789, 59451, 61537, 63897, 70623, 79119, 149093, 161367, 167029, 178353, 184611, 191691, 376523, 447279, 484101, 501087, 553833, 1129569, 1169203, 1341837, 1503261, 3173551, 3388707, 3507609, 9520653, 10522827, 22214857, 28561959, 66644571, 199933713]

約数ペア:

[(1, 199933713), (3, 66644571), (7, 28561959), (9, 22214857), (19, 10522827), (21, 9520653), (57, 3507609), (59, 3388707), (63, 3173551), (133, 1503261), (149, 1341837), (171, 1169203), (177, 1129569), (361, 553833), (399, 501087), (413, 484101), (447, 447279), (531, 376523), (1043, 191691), (1083, 184611), (1121, 178353), (1197, 167029), (1239, 161367), (1341, 149093), (2527, 79119), (2831, 70623), (3129, 63897), (3249, 61537), (3363, 59451), (3717, 53789), (7581, 26373), (7847, 25479), (8493, 23541), (8791, 22743), (9387, 21299), (10089, 19817)]