16339869

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 29562624

約数和(自身を除く): 13222755

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 273, 281, 497, 639, 819, 843, 923, 1491, 1967, 2529, 2769, 3653, 4473, 5901, 6461, 8307, 10959, 17703, 19383, 19951, 25571, 32877, 58149, 59853, 76713, 139657, 179559, 230139, 259363, 418971, 778089, 1256913, 1815541, 2334267, 5446623, 16339869]

約数ペア:

[(1, 16339869), (3, 5446623), (7, 2334267), (9, 1815541), (13, 1256913), (21, 778089), (39, 418971), (63, 259363), (71, 230139), (91, 179559), (117, 139657), (213, 76713), (273, 59853), (281, 58149), (497, 32877), (639, 25571), (819, 19951), (843, 19383), (923, 17703), (1491, 10959), (1967, 8307), (2529, 6461), (2769, 5901), (3653, 4473)]