248561937

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{68531}}^1$

素因数の和:68581

約数の個数: 24

約数和(自身を含む): 399130368

約数和(自身を除く): 150568431

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 68531, 205593, 616779, 890903, 2124461, 2672709, 6373383, 8018127, 19120149, 27617993, 82853979, 248561937]

約数ペア:

[(1, 248561937), (3, 82853979), (9, 27617993), (13, 19120149), (31, 8018127), (39, 6373383), (93, 2672709), (117, 2124461), (279, 890903), (403, 616779), (1209, 205593), (3627, 68531)]