16990411221

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1\times {\mathrm{24281}}^1$

素因数の和:24706

約数の個数: 48

約数和(自身を含む): 29091778560

約数和(自身を除く): 12101367339

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 383, 609, 1149, 1827, 2681, 3447, 8043, 11107, 24129, 24281, 33321, 72843, 77749, 99963, 169967, 218529, 233247, 509901, 699741, 704149, 1529703, 2112447, 4929043, 6337341, 9299623, 14787129, 27898869, 44361387, 65097361, 83696607, 195292083, 269689067, 585876249, 809067201, 1887823469, 2427201603, 5663470407, 16990411221]

約数ペア:

[(1, 16990411221), (3, 5663470407), (7, 2427201603), (9, 1887823469), (21, 809067201), (29, 585876249), (63, 269689067), (87, 195292083), (203, 83696607), (261, 65097361), (383, 44361387), (609, 27898869), (1149, 14787129), (1827, 9299623), (2681, 6337341), (3447, 4929043), (8043, 2112447), (11107, 1529703), (24129, 704149), (24281, 699741), (33321, 509901), (72843, 233247), (77749, 218529), (99963, 169967)]