11979981

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 19948544

約数和(自身を除く): 7968563

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 367, 403, 837, 1053, 1101, 1209, 2511, 3303, 3627, 4771, 9909, 10881, 11377, 14313, 29727, 32643, 34131, 42939, 102393, 128817, 147901, 307179, 386451, 443703, 921537, 1331109, 3993327, 11979981]

約数ペア:

[(1, 11979981), (3, 3993327), (9, 1331109), (13, 921537), (27, 443703), (31, 386451), (39, 307179), (81, 147901), (93, 128817), (117, 102393), (279, 42939), (351, 34131), (367, 32643), (403, 29727), (837, 14313), (1053, 11377), (1101, 10881), (1209, 9909), (2511, 4771), (3303, 3627)]