28864329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 43257984

約数和(自身を除く): 14393655

約数列:

[1, 3, 13, 37, 39, 83, 111, 241, 249, 481, 723, 1079, 1443, 3071, 3133, 3237, 8917, 9213, 9399, 20003, 26751, 39923, 60009, 115921, 119769, 260039, 347763, 740111, 780117, 2220333, 9621443, 28864329]

約数ペア:

[(1, 28864329), (3, 9621443), (13, 2220333), (37, 780117), (39, 740111), (83, 347763), (111, 260039), (241, 119769), (249, 115921), (481, 60009), (723, 39923), (1079, 26751), (1443, 20003), (3071, 9399), (3133, 9213), (3237, 8917)]