121211223

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 190746624

約数和(自身を除く): 69535401

約数列:

[1, 3, 7, 21, 37, 111, 257, 259, 607, 771, 777, 1799, 1821, 4249, 5397, 9509, 12747, 22459, 28527, 66563, 67377, 155999, 157213, 199689, 467997, 471639, 1091993, 3275979, 5771963, 17315889, 40403741, 121211223]

約数ペア:

[(1, 121211223), (3, 40403741), (7, 17315889), (21, 5771963), (37, 3275979), (111, 1091993), (257, 471639), (259, 467997), (607, 199689), (771, 157213), (777, 155999), (1799, 67377), (1821, 66563), (4249, 28527), (5397, 22459), (9509, 12747)]