19994448321

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{617}}^1\times {\mathrm{3739}}^1$

素因数の和:4475

約数の個数: 40

約数和(自身を含む): 30204329760

約数和(自身を除く): 10209881439

約数列:

[1, 3, 9, 27, 81, 107, 321, 617, 963, 1851, 2889, 3739, 5553, 8667, 11217, 16659, 33651, 49977, 66019, 100953, 198057, 302859, 400073, 594171, 1200219, 1782513, 2306963, 3600657, 5347539, 6920889, 10801971, 20762667, 32405913, 62288001, 186864003, 246845041, 740535123, 2221605369, 6664816107, 19994448321]

約数ペア:

[(1, 19994448321), (3, 6664816107), (9, 2221605369), (27, 740535123), (81, 246845041), (107, 186864003), (321, 62288001), (617, 32405913), (963, 20762667), (1851, 10801971), (2889, 6920889), (3739, 5347539), (5553, 3600657), (8667, 2306963), (11217, 1782513), (16659, 1200219), (33651, 594171), (49977, 400073), (66019, 302859), (100953, 198057)]