16913691

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 27285984

約数和(自身を除く): 10372293

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 173, 213, 459, 519, 639, 1207, 1377, 1557, 1917, 2941, 3621, 4671, 5751, 8823, 10863, 12283, 14013, 26469, 32589, 36849, 79407, 97767, 110547, 208811, 238221, 331641, 626433, 994923, 1879299, 5637897, 16913691]

約数ペア:

[(1, 16913691), (3, 5637897), (9, 1879299), (17, 994923), (27, 626433), (51, 331641), (71, 238221), (81, 208811), (153, 110547), (173, 97767), (213, 79407), (459, 36849), (519, 32589), (639, 26469), (1207, 14013), (1377, 12283), (1557, 10863), (1917, 8823), (2941, 5751), (3621, 4671)]