16631559

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 29719872

約数和(自身を除く): 13088313

約数列:

[1, 3, 7, 9, 17, 21, 51, 53, 63, 119, 153, 159, 293, 357, 371, 477, 879, 901, 1071, 1113, 2051, 2637, 2703, 3339, 4981, 6153, 6307, 8109, 14943, 15529, 18459, 18921, 34867, 44829, 46587, 56763, 104601, 108703, 139761, 263993, 313803, 326109, 791979, 978327, 1847951, 2375937, 5543853, 16631559]

約数ペア:

[(1, 16631559), (3, 5543853), (7, 2375937), (9, 1847951), (17, 978327), (21, 791979), (51, 326109), (53, 313803), (63, 263993), (119, 139761), (153, 108703), (159, 104601), (293, 56763), (357, 46587), (371, 44829), (477, 34867), (879, 18921), (901, 18459), (1071, 15529), (1113, 14943), (2051, 8109), (2637, 6307), (2703, 6153), (3339, 4981)]