291427983

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140177}}^1$

素因数の和:140204

約数の個数: 32

約数和(自身を含む): 538283520

約数和(自身を除く): 246855537

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 140177, 420531, 981239, 1261593, 1541947, 2943717, 3784779, 4625841, 8831151, 10793629, 13877523, 26493453, 32380887, 41632569, 97142661, 291427983]

約数ペア:

[(1, 291427983), (3, 97142661), (7, 41632569), (9, 32380887), (11, 26493453), (21, 13877523), (27, 10793629), (33, 8831151), (63, 4625841), (77, 3784779), (99, 2943717), (189, 1541947), (231, 1261593), (297, 981239), (693, 420531), (2079, 140177)]