16580421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 28319616

約数和(自身を除く): 11739195

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 169, 429, 507, 991, 1287, 1521, 1859, 2973, 5577, 8919, 10901, 12883, 16731, 32703, 38649, 98109, 115947, 141713, 167479, 425139, 502437, 1275417, 1507311, 1842269, 5526807, 16580421]

約数ペア:

[(1, 16580421), (3, 5526807), (9, 1842269), (11, 1507311), (13, 1275417), (33, 502437), (39, 425139), (99, 167479), (117, 141713), (143, 115947), (169, 98109), (429, 38649), (507, 32703), (991, 16731), (1287, 12883), (1521, 10901), (1859, 8919), (2973, 5577)]