187173693

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1191

約数の個数: 64

約数和(自身を含む): 340992000

約数和(自身を除く): 153818307

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 57, 63, 133, 141, 171, 189, 329, 399, 423, 513, 893, 987, 1109, 1197, 1269, 2679, 2961, 3327, 3591, 6251, 7763, 8037, 8883, 9981, 18753, 21071, 23289, 24111, 29943, 52123, 56259, 63213, 69867, 147497, 156369, 168777, 189639, 209601, 364861, 442491, 469107, 568917, 990337, 1094583, 1327473, 1407321, 2971011, 3283749, 3982419, 6932359, 8913033, 9851247, 20797077, 26739099, 62391231, 187173693]

約数ペア:

[(1, 187173693), (3, 62391231), (7, 26739099), (9, 20797077), (19, 9851247), (21, 8913033), (27, 6932359), (47, 3982419), (57, 3283749), (63, 2971011), (133, 1407321), (141, 1327473), (171, 1094583), (189, 990337), (329, 568917), (399, 469107), (423, 442491), (513, 364861), (893, 209601), (987, 189639), (1109, 168777), (1197, 156369), (1269, 147497), (2679, 69867), (2961, 63213), (3327, 56259), (3591, 52123), (6251, 29943), (7763, 24111), (8037, 23289), (8883, 21071), (9981, 18753)]