16812747

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 29772288

約数和(自身を除く): 12959541

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 161, 207, 283, 287, 369, 483, 849, 861, 943, 1449, 1981, 2547, 2583, 2829, 5943, 6509, 6601, 8487, 11603, 17829, 19527, 19803, 34809, 45563, 58581, 59409, 81221, 104427, 136689, 243663, 266869, 410067, 730989, 800607, 1868083, 2401821, 5604249, 16812747]

約数ペア:

[(1, 16812747), (3, 5604249), (7, 2401821), (9, 1868083), (21, 800607), (23, 730989), (41, 410067), (63, 266869), (69, 243663), (123, 136689), (161, 104427), (207, 81221), (283, 59409), (287, 58581), (369, 45563), (483, 34809), (849, 19803), (861, 19527), (943, 17829), (1449, 11603), (1981, 8487), (2547, 6601), (2583, 6509), (2829, 5943)]