28876809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7331}}^1$

素因数の和:7448

約数の個数: 16

約数和(自身を含む): 41880384

約数和(自身を除く): 13003575

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 7331, 21993, 95303, 285909, 740431, 2221293, 9625603, 28876809]

約数ペア:

[(1, 28876809), (3, 9625603), (13, 2221293), (39, 740431), (101, 285909), (303, 95303), (1313, 21993), (3939, 7331)]