207975261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1427}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 309955968

約数和(自身を除く): 101980707

約数列:

[1, 3, 13, 37, 39, 101, 111, 303, 481, 1313, 1427, 1443, 3737, 3939, 4281, 11211, 18551, 48581, 52799, 55653, 144127, 145743, 158397, 432381, 686387, 1873651, 2059161, 5332699, 5620953, 15998097, 69325087, 207975261]

約数ペア:

[(1, 207975261), (3, 69325087), (13, 15998097), (37, 5620953), (39, 5332699), (101, 2059161), (111, 1873651), (303, 686387), (481, 432381), (1313, 158397), (1427, 145743), (1443, 144127), (3737, 55653), (3939, 52799), (4281, 48581), (11211, 18551)]