47940123

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 84049920

約数和(自身を除く): 36109797

約数列:

[1, 3, 7, 11, 21, 33, 37, 71, 77, 79, 111, 213, 231, 237, 259, 407, 497, 553, 777, 781, 869, 1221, 1491, 1659, 2343, 2607, 2627, 2849, 2923, 5467, 5609, 6083, 7881, 8547, 8769, 16401, 16827, 18249, 18389, 20461, 28897, 32153, 39263, 55167, 61383, 61699, 86691, 96459, 117789, 185097, 202279, 207533, 225071, 431893, 606837, 622599, 675213, 1295679, 1452731, 2282863, 4358193, 6848589, 15980041, 47940123]

約数ペア:

[(1, 47940123), (3, 15980041), (7, 6848589), (11, 4358193), (21, 2282863), (33, 1452731), (37, 1295679), (71, 675213), (77, 622599), (79, 606837), (111, 431893), (213, 225071), (231, 207533), (237, 202279), (259, 185097), (407, 117789), (497, 96459), (553, 86691), (777, 61699), (781, 61383), (869, 55167), (1221, 39263), (1491, 32153), (1659, 28897), (2343, 20461), (2607, 18389), (2627, 18249), (2849, 16827), (2923, 16401), (5467, 8769), (5609, 8547), (6083, 7881)]