16683381

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 13556619

約数列:

[1, 3, 9, 11, 13, 27, 29, 33, 39, 87, 99, 117, 143, 149, 261, 297, 319, 351, 377, 429, 447, 783, 957, 1131, 1287, 1341, 1639, 1937, 2871, 3393, 3861, 4023, 4147, 4321, 4917, 5811, 8613, 10179, 12441, 12963, 14751, 17433, 21307, 37323, 38889, 44253, 47531, 52299, 56173, 63921, 111969, 116667, 142593, 168519, 191763, 427779, 505557, 575289, 617903, 1283337, 1516671, 1853709, 5561127, 16683381]

約数ペア:

[(1, 16683381), (3, 5561127), (9, 1853709), (11, 1516671), (13, 1283337), (27, 617903), (29, 575289), (33, 505557), (39, 427779), (87, 191763), (99, 168519), (117, 142593), (143, 116667), (149, 111969), (261, 63921), (297, 56173), (319, 52299), (351, 47531), (377, 44253), (429, 38889), (447, 37323), (783, 21307), (957, 17433), (1131, 14751), (1287, 12963), (1341, 12441), (1639, 10179), (1937, 8613), (2871, 5811), (3393, 4917), (3861, 4321), (4023, 4147)]