28958319

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 46057440

約数和(自身を除く): 17099121

約数列:

[1, 3, 9, 13, 39, 79, 117, 169, 237, 241, 507, 711, 723, 1027, 1521, 2169, 3081, 3133, 9243, 9399, 13351, 19039, 28197, 40053, 40729, 57117, 120159, 122187, 171351, 247507, 366561, 742521, 2227563, 3217591, 9652773, 28958319]

約数ペア:

[(1, 28958319), (3, 9652773), (9, 3217591), (13, 2227563), (39, 742521), (79, 366561), (117, 247507), (169, 171351), (237, 122187), (241, 120159), (507, 57117), (711, 40729), (723, 40053), (1027, 28197), (1521, 19039), (2169, 13351), (3081, 9399), (3133, 9243)]