81215892

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{25931}}^1$

素因数の和:25973

約数の個数: 48

約数和(自身を含む): 217828800

約数和(自身を除く): 136612908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 25931, 51862, 77793, 103724, 155586, 233379, 311172, 466758, 700137, 751999, 933516, 1400274, 1503998, 2255997, 2800548, 3007996, 4511994, 6767991, 9023988, 13535982, 20303973, 27071964, 40607946, 81215892]

約数ペア:

[(1, 81215892), (2, 40607946), (3, 27071964), (4, 20303973), (6, 13535982), (9, 9023988), (12, 6767991), (18, 4511994), (27, 3007996), (29, 2800548), (36, 2255997), (54, 1503998), (58, 1400274), (87, 933516), (108, 751999), (116, 700137), (174, 466758), (261, 311172), (348, 233379), (522, 155586), (783, 103724), (1044, 77793), (1566, 51862), (3132, 25931)]