1279355823

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 2078208000

約数和(自身を除く): 798852177

約数列:

[1, 3, 9, 19, 27, 43, 57, 59, 129, 171, 177, 387, 513, 531, 817, 983, 1121, 1161, 1593, 2451, 2537, 2949, 3363, 7353, 7611, 8847, 10089, 18677, 22059, 22833, 26541, 30267, 42269, 48203, 56031, 57997, 68499, 126807, 144609, 168093, 173991, 380421, 433827, 504279, 521973, 803111, 1101943, 1141263, 1301481, 1565919, 2409333, 2493871, 3305829, 7227999, 7481613, 9917487, 21683997, 22444839, 29752461, 47383549, 67334517, 142150647, 426451941, 1279355823]

約数ペア:

[(1, 1279355823), (3, 426451941), (9, 142150647), (19, 67334517), (27, 47383549), (43, 29752461), (57, 22444839), (59, 21683997), (129, 9917487), (171, 7481613), (177, 7227999), (387, 3305829), (513, 2493871), (531, 2409333), (817, 1565919), (983, 1301481), (1121, 1141263), (1161, 1101943), (1593, 803111), (2451, 521973), (2537, 504279), (2949, 433827), (3363, 380421), (7353, 173991), (7611, 168093), (8847, 144609), (10089, 126807), (18677, 68499), (22059, 57997), (22833, 56031), (26541, 48203), (30267, 42269)]