31878954

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{8087}}^1$

素因数の和:8171

約数の個数: 32

約数和(自身を含む): 71821440

約数和(自身を除く): 39942486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 8087, 16174, 24261, 48522, 72783, 145566, 218349, 436698, 590351, 1180702, 1771053, 3542106, 5313159, 10626318, 15939477, 31878954]

約数ペア:

[(1, 31878954), (2, 15939477), (3, 10626318), (6, 5313159), (9, 3542106), (18, 1771053), (27, 1180702), (54, 590351), (73, 436698), (146, 218349), (219, 145566), (438, 72783), (657, 48522), (1314, 24261), (1971, 16174), (3942, 8087)]