16641009

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 31536960

約数和(自身を除く): 14895951

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 59, 63, 77, 99, 111, 121, 177, 231, 259, 333, 363, 407, 413, 531, 649, 693, 777, 847, 1089, 1221, 1239, 1947, 2183, 2331, 2541, 2849, 3663, 3717, 4477, 4543, 5841, 6549, 7139, 7623, 8547, 13431, 13629, 15281, 19647, 21417, 24013, 25641, 31339, 40293, 40887, 45843, 49973, 64251, 72039, 94017, 137529, 149919, 168091, 216117, 264143, 282051, 449757, 504273, 792429, 1512819, 1849001, 2377287, 5547003, 16641009]

約数ペア:

[(1, 16641009), (3, 5547003), (7, 2377287), (9, 1849001), (11, 1512819), (21, 792429), (33, 504273), (37, 449757), (59, 282051), (63, 264143), (77, 216117), (99, 168091), (111, 149919), (121, 137529), (177, 94017), (231, 72039), (259, 64251), (333, 49973), (363, 45843), (407, 40887), (413, 40293), (531, 31339), (649, 25641), (693, 24013), (777, 21417), (847, 19647), (1089, 15281), (1221, 13629), (1239, 13431), (1947, 8547), (2183, 7623), (2331, 7139), (2541, 6549), (2849, 5841), (3663, 4543), (3717, 4477)]