20091513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 30030336

約数和(自身を除く): 9938823

約数列:

[1, 3, 13, 39, 47, 97, 113, 141, 291, 339, 611, 1261, 1469, 1833, 3783, 4407, 4559, 5311, 10961, 13677, 15933, 32883, 59267, 69043, 142493, 177801, 207129, 427479, 515167, 1545501, 6697171, 20091513]

約数ペア:

[(1, 20091513), (3, 6697171), (13, 1545501), (39, 515167), (47, 427479), (97, 207129), (113, 177801), (141, 142493), (291, 69043), (339, 59267), (611, 32883), (1261, 15933), (1469, 13677), (1833, 10961), (3783, 5311), (4407, 4559)]