28493991

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 44390400

約数和(自身を除く): 15896409

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 531, 577, 837, 1593, 1731, 1829, 5193, 5487, 15579, 16461, 17887, 34043, 49383, 53661, 102129, 160983, 306387, 482949, 919161, 1055333, 3165999, 9497997, 28493991]

約数ペア:

[(1, 28493991), (3, 9497997), (9, 3165999), (27, 1055333), (31, 919161), (59, 482949), (93, 306387), (177, 160983), (279, 102129), (531, 53661), (577, 49383), (837, 34043), (1593, 17887), (1731, 16461), (1829, 15579), (5193, 5487)]