618888933

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 980179200

約数和(自身を除く): 361290267

約数列:

[1, 3, 9, 13, 39, 117, 131, 149, 271, 393, 447, 813, 1179, 1341, 1703, 1937, 2439, 3523, 5109, 5811, 10569, 15327, 17433, 19519, 31707, 35501, 40379, 58557, 106503, 121137, 175671, 253747, 319509, 363411, 461513, 524927, 761241, 1384539, 1574781, 2283723, 4153617, 4724343, 5289649, 15868947, 47606841, 68765437, 206296311, 618888933]

約数ペア:

[(1, 618888933), (3, 206296311), (9, 68765437), (13, 47606841), (39, 15868947), (117, 5289649), (131, 4724343), (149, 4153617), (271, 2283723), (393, 1574781), (447, 1384539), (813, 761241), (1179, 524927), (1341, 461513), (1703, 363411), (1937, 319509), (2439, 253747), (3523, 175671), (5109, 121137), (5811, 106503), (10569, 58557), (15327, 40379), (17433, 35501), (19519, 31707)]