203487207

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 361635840

約数和(自身を除く): 158148633

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 71, 77, 133, 209, 213, 231, 399, 497, 627, 653, 781, 1349, 1463, 1491, 1959, 2343, 4047, 4389, 4571, 5467, 7183, 9443, 12407, 13713, 14839, 16401, 21549, 28329, 37221, 44517, 46363, 50281, 86849, 103873, 136477, 139089, 150843, 260547, 311619, 324541, 409431, 509993, 880897, 955339, 973623, 1529979, 2642691, 2866017, 3569951, 6166279, 9689867, 10709853, 18498837, 29069601, 67829069, 203487207]

約数ペア:

[(1, 203487207), (3, 67829069), (7, 29069601), (11, 18498837), (19, 10709853), (21, 9689867), (33, 6166279), (57, 3569951), (71, 2866017), (77, 2642691), (133, 1529979), (209, 973623), (213, 955339), (231, 880897), (399, 509993), (497, 409431), (627, 324541), (653, 311619), (781, 260547), (1349, 150843), (1463, 139089), (1491, 136477), (1959, 103873), (2343, 86849), (4047, 50281), (4389, 46363), (4571, 44517), (5467, 37221), (7183, 28329), (9443, 21549), (12407, 16401), (13713, 14839)]