15953559

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 23992320

約数和(自身を除く): 8038761

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 283, 437, 817, 849, 989, 1311, 2451, 2967, 5377, 6509, 12169, 16131, 18791, 19527, 36507, 56373, 123671, 231211, 279887, 371013, 693633, 839661, 5317853, 15953559]

約数ペア:

[(1, 15953559), (3, 5317853), (19, 839661), (23, 693633), (43, 371013), (57, 279887), (69, 231211), (129, 123671), (283, 56373), (437, 36507), (817, 19527), (849, 18791), (989, 16131), (1311, 12169), (2451, 6509), (2967, 5377)]