16939431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 27705600

約数和(自身を除く): 10766169

約数列:

[1, 3, 9, 19, 23, 57, 59, 69, 73, 171, 177, 207, 219, 437, 531, 657, 1121, 1311, 1357, 1387, 1679, 3363, 3933, 4071, 4161, 4307, 5037, 10089, 12213, 12483, 12921, 15111, 25783, 31901, 38763, 77349, 81833, 95703, 99061, 232047, 245499, 287109, 297183, 736497, 891549, 1882159, 5646477, 16939431]

約数ペア:

[(1, 16939431), (3, 5646477), (9, 1882159), (19, 891549), (23, 736497), (57, 297183), (59, 287109), (69, 245499), (73, 232047), (171, 99061), (177, 95703), (207, 81833), (219, 77349), (437, 38763), (531, 31901), (657, 25783), (1121, 15111), (1311, 12921), (1357, 12483), (1387, 12213), (1679, 10089), (3363, 5037), (3933, 4307), (4071, 4161)]