216223215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{8731}}^1$

素因数の和:8879

約数の個数: 32

約数和(自身を含む): 375545856

約数和(自身を除く): 159322641

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 1651, 1905, 4953, 8255, 8731, 24765, 26193, 43655, 113503, 130965, 340509, 567515, 1108837, 1702545, 3326511, 5544185, 14414881, 16632555, 43244643, 72074405, 216223215]

約数ペア:

[(1, 216223215), (3, 72074405), (5, 43244643), (13, 16632555), (15, 14414881), (39, 5544185), (65, 3326511), (127, 1702545), (195, 1108837), (381, 567515), (635, 340509), (1651, 130965), (1905, 113503), (4953, 43655), (8255, 26193), (8731, 24765)]