218977143

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16067}}^1$

素因数の和:16147

約数の個数: 32

約数和(自身を含む): 370206720

約数和(自身を除く): 151229577

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 4543, 13629, 16067, 48201, 112469, 176737, 337407, 530211, 947953, 1237159, 2843859, 3711477, 6635671, 10427483, 19907013, 31282449, 72992381, 218977143]

約数ペア:

[(1, 218977143), (3, 72992381), (7, 31282449), (11, 19907013), (21, 10427483), (33, 6635671), (59, 3711477), (77, 2843859), (177, 1237159), (231, 947953), (413, 530211), (649, 337407), (1239, 176737), (1947, 112469), (4543, 48201), (13629, 16067)]