61637919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 99432960

約数和(自身を除く): 37795041

約数列:

[1, 3, 7, 19, 21, 57, 133, 241, 399, 641, 723, 1687, 1923, 4487, 4579, 5061, 12179, 13461, 13737, 32053, 36537, 85253, 96159, 154481, 255759, 463443, 1081367, 2935139, 3244101, 8805417, 20545973, 61637919]

約数ペア:

[(1, 61637919), (3, 20545973), (7, 8805417), (19, 3244101), (21, 2935139), (57, 1081367), (133, 463443), (241, 255759), (399, 154481), (641, 96159), (723, 85253), (1687, 36537), (1923, 32053), (4487, 13737), (4579, 13461), (5061, 12179)]