30019563

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 23894037

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 589, 651, 809, 1197, 1767, 1953, 2427, 4123, 5301, 5663, 7281, 12369, 15371, 16989, 25079, 37107, 46113, 50967, 75237, 107597, 138339, 175553, 225711, 322791, 476501, 526659, 968373, 1429503, 1579977, 3335507, 4288509, 10006521, 30019563]

約数ペア:

[(1, 30019563), (3, 10006521), (7, 4288509), (9, 3335507), (19, 1579977), (21, 1429503), (31, 968373), (57, 526659), (63, 476501), (93, 322791), (133, 225711), (171, 175553), (217, 138339), (279, 107597), (399, 75237), (589, 50967), (651, 46113), (809, 37107), (1197, 25079), (1767, 16989), (1953, 15371), (2427, 12369), (4123, 7281), (5301, 5663)]