81338829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 142248960

約数和(自身を除く): 60910131

約数列:

[1, 3, 11, 13, 17, 19, 33, 39, 51, 57, 143, 187, 209, 221, 247, 323, 429, 561, 587, 627, 663, 741, 969, 1761, 2431, 2717, 3553, 4199, 6457, 7293, 7631, 8151, 9979, 10659, 11153, 12597, 19371, 22893, 29937, 33459, 46189, 83941, 109769, 122683, 129727, 138567, 144989, 189601, 251823, 329307, 368049, 389181, 434967, 568803, 1426997, 1594879, 2085611, 2464813, 4280991, 4784637, 6256833, 7394439, 27112943, 81338829]

約数ペア:

[(1, 81338829), (3, 27112943), (11, 7394439), (13, 6256833), (17, 4784637), (19, 4280991), (33, 2464813), (39, 2085611), (51, 1594879), (57, 1426997), (143, 568803), (187, 434967), (209, 389181), (221, 368049), (247, 329307), (323, 251823), (429, 189601), (561, 144989), (587, 138567), (627, 129727), (663, 122683), (741, 109769), (969, 83941), (1761, 46189), (2431, 33459), (2717, 29937), (3553, 22893), (4199, 19371), (6457, 12597), (7293, 11153), (7631, 10659), (8151, 9979)]