7221159

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 12103000

約数和(自身を除く): 4881841

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 349, 363, 627, 1047, 1089, 1881, 2299, 3141, 3839, 6631, 6897, 11517, 19893, 20691, 34551, 42229, 59679, 72941, 126687, 218823, 380061, 656469, 802351, 2407053, 7221159]

約数ペア:

[(1, 7221159), (3, 2407053), (9, 802351), (11, 656469), (19, 380061), (33, 218823), (57, 126687), (99, 72941), (121, 59679), (171, 42229), (209, 34551), (349, 20691), (363, 19893), (627, 11517), (1047, 6897), (1089, 6631), (1881, 3839), (2299, 3141)]