28630791

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19759}}^1$

素因数の和:19795

約数の個数: 24

約数和(自身を含む): 49320960

約数和(自身を除く): 20690169

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19759, 59277, 138313, 177831, 414939, 454457, 1244817, 1363371, 3181199, 4090113, 9543597, 28630791]

約数ペア:

[(1, 28630791), (3, 9543597), (7, 4090113), (9, 3181199), (21, 1363371), (23, 1244817), (63, 454457), (69, 414939), (161, 177831), (207, 138313), (483, 59277), (1449, 19759)]