199752021

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 350208000

約数和(自身を除く): 150455979

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 113, 141, 189, 199, 329, 339, 423, 597, 791, 987, 1017, 1269, 1393, 1791, 2373, 2961, 3051, 4179, 5311, 5373, 7119, 8883, 9353, 12537, 15933, 21357, 22487, 28059, 37177, 37611, 47799, 65471, 67461, 84177, 111531, 143397, 157409, 196413, 202383, 252531, 334593, 472227, 589239, 607149, 1003779, 1056889, 1416681, 1767717, 3170667, 4250043, 7398223, 9512001, 22194669, 28536003, 66584007, 199752021]

約数ペア:

[(1, 199752021), (3, 66584007), (7, 28536003), (9, 22194669), (21, 9512001), (27, 7398223), (47, 4250043), (63, 3170667), (113, 1767717), (141, 1416681), (189, 1056889), (199, 1003779), (329, 607149), (339, 589239), (423, 472227), (597, 334593), (791, 252531), (987, 202383), (1017, 196413), (1269, 157409), (1393, 143397), (1791, 111531), (2373, 84177), (2961, 67461), (3051, 65471), (4179, 47799), (5311, 37611), (5373, 37177), (7119, 28059), (8883, 22487), (9353, 21357), (12537, 15933)]