51978381

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4051}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 87134208

約数和(自身を除く): 35155827

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4051, 4277, 12153, 12831, 28357, 52663, 85071, 157989, 190397, 368641, 571191, 1105923, 1332779, 2475161, 3998337, 7425483, 17326127, 51978381]

約数ペア:

[(1, 51978381), (3, 17326127), (7, 7425483), (13, 3998337), (21, 2475161), (39, 1332779), (47, 1105923), (91, 571191), (141, 368641), (273, 190397), (329, 157989), (611, 85071), (987, 52663), (1833, 28357), (4051, 12831), (4277, 12153)]