15959601

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 28288000

約数和(自身を除く): 12328399

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 199, 201, 399, 469, 597, 603, 1197, 1273, 1393, 1407, 1791, 3781, 3819, 4179, 4221, 8911, 11343, 11457, 12537, 13333, 26467, 26733, 34029, 39999, 79401, 80199, 93331, 119997, 238203, 253327, 279993, 759981, 839979, 1773289, 2279943, 5319867, 15959601]

約数ペア:

[(1, 15959601), (3, 5319867), (7, 2279943), (9, 1773289), (19, 839979), (21, 759981), (57, 279993), (63, 253327), (67, 238203), (133, 119997), (171, 93331), (199, 80199), (201, 79401), (399, 39999), (469, 34029), (597, 26733), (603, 26467), (1197, 13333), (1273, 12537), (1393, 11457), (1407, 11343), (1791, 8911), (3781, 4221), (3819, 4179)]