208039251

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 352779840

約数和(自身を除く): 144740589

約数列:

[1, 3, 7, 17, 21, 49, 51, 59, 83, 119, 147, 177, 249, 289, 357, 413, 581, 833, 867, 1003, 1239, 1411, 1743, 2023, 2499, 2891, 3009, 4067, 4233, 4897, 6069, 7021, 8673, 9877, 12201, 14161, 14691, 17051, 21063, 23987, 29631, 34279, 42483, 49147, 51153, 69139, 71961, 83249, 102837, 119357, 147441, 167909, 207417, 239953, 249747, 358071, 503727, 582743, 719859, 835499, 1175363, 1415233, 1748229, 2506497, 3526089, 4079201, 4245699, 9906631, 12237603, 29719893, 69346417, 208039251]

約数ペア:

[(1, 208039251), (3, 69346417), (7, 29719893), (17, 12237603), (21, 9906631), (49, 4245699), (51, 4079201), (59, 3526089), (83, 2506497), (119, 1748229), (147, 1415233), (177, 1175363), (249, 835499), (289, 719859), (357, 582743), (413, 503727), (581, 358071), (833, 249747), (867, 239953), (1003, 207417), (1239, 167909), (1411, 147441), (1743, 119357), (2023, 102837), (2499, 83249), (2891, 71961), (3009, 69139), (4067, 51153), (4233, 49147), (4897, 42483), (6069, 34279), (7021, 29631), (8673, 23987), (9877, 21063), (12201, 17051), (14161, 14691)]