11813991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 19622400

約数和(自身を除く): 7808409

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1021, 1653, 3063, 3857, 7147, 11571, 19399, 21441, 29609, 58197, 88827, 135793, 207263, 407379, 562571, 621789, 1687713, 3937997, 11813991]

約数ペア:

[(1, 11813991), (3, 3937997), (7, 1687713), (19, 621789), (21, 562571), (29, 407379), (57, 207263), (87, 135793), (133, 88827), (203, 58197), (399, 29609), (551, 21441), (609, 19399), (1021, 11571), (1653, 7147), (3063, 3857)]